Alright, let's work through 1649 times 3811 step by step
1649 × 3811 = 3811 × (1649)
+ 3811 × 9 which equals 34299
+ 3811 × 40 which equals 152440
+ 3811 × 600 that equals 2286600
+ 3811 × 1000 that equals 3811000

= 6284339
