Numbers / 836

The Number 836

836 is composite: factorization 2^2 × 11 × 19. That gives 836 exactly 12 divisors: 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836. 836's proper divisors total 844, 8 more than 836 itself, so 836 is abundant. 836 has a digit sum of 17; for 836, the digital root works out to 8. 836: 2, 4, 11 all divide 836 evenly, out of 2-12. 836 is 1101000100 in binary and 344 in hex; as a Roman numeral it's DCCCXXXVI.