Numbers / 598

The Number 598

598 is composite: factorization 2 × 13 × 23. That gives 598 exactly 8 divisors: 1, 2, 13, 23, 26, 46, 299, 598. 598's proper divisors total just 410, 188 short of 598, the deficient case most of 598's neighbors share too. 598 has a digit sum of 22; for 598, the digital root works out to 4. 598: 2 all divide 598 evenly, out of 2-12. 598 is 1001010110 in binary and 256 in hex; as a Roman numeral it's DXCVIII.