Alright, let's work through 2389 times 1428 step by step
2389 × 1428 = 1428 × (2389)
+ 1428 × 9 that equals 12852
+ 1428 × 80 producing 114240
+ 1428 × 300 yielding 428400
+ 1428 × 2000 producing 2856000

= 3411492
