The number 3,802,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 97 98 100 112 140 160 175 194 196 200 224 245 280 350 388 392 400 485 490 560 679 700 776 784 800 970 980 1,120 1,225 1,358 1,400 1,552 1,568 1,940 1,960 2,425 2,450 2,716 2,800 3,104 3,395 3,880 3,920 4,753 4,850 4,900 5,432 5,600 6,790 7,760 7,840 9,506 9,700 9,800 10,864 13,580 15,520 16,975 19,012 19,400 19,600 21,728 23,765 27,160 33,950 38,024 38,800 39,200 47,530 54,320 67,900 76,048 77,600 95,060 108,640 118,825 135,800 152,096 190,120 237,650 271,600 380,240 475,300 543,200 760,480 950,600 1,901,200 and 3,802,400, with no remainder.
Since 3,802,400 cannot be divided by just 1 and 3,802,400, it is a composite number.