Alright, let's work through 2489 times 4339 step by step
2489 × 4339 = 4339 × (2489)
+ 4339 × 9 that equals 39051
+ 4339 × 80 that equals 347120
+ 4339 × 400 which equals 1735600
+ 4339 × 2000 giving us 8678000

= 10799771
