The number 1,936,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 163 165 180 198 216 220 264 270 297 326 330 360 396 440 489 495 540 594 652 660 792 815 978 990 1,080 1,188 1,304 1,320 1,467 1,485 1,630 1,793 1,956 1,980 2,376 2,445 2,934 2,970 3,260 3,586 3,912 3,960 4,401 4,890 5,379 5,868 5,940 6,520 7,172 7,335 8,802 8,965 9,780 10,758 11,736 11,880 14,344 14,670 16,137 17,604 17,930 19,560 21,516 22,005 26,895 29,340 32,274 35,208 35,860 43,032 44,010 48,411 53,790 58,680 64,548 71,720 80,685 88,020 96,822 107,580 129,096 161,370 176,040 193,644 215,160 242,055 322,740 387,288 484,110 645,480 968,220 and 1,936,440, with no remainder.
Since 1,936,440 cannot be divided by just 1 and 1,936,440, it is a composite number.