3906 ÷ 9 = 434 R0
No problem, we've got 3906 and 9 for the division.

Step 1:
9 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 9

Step 2:
9 goes into 39 4 times with a remainder of 3.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 36 from 39 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 9

Step 3:
9 goes into 30 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 43
Subtract 27 from 30 to get 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 9

Step 4:
9 goes into 36 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 434
Subtract 36 from 36 to get 0.

The final result is 434 with a remainder of 0.