104931638 has 24 divisors (see below), whose sum is σ = 183584232. Its totient is φ = 44850624.

The previous prime is 104931571. The next prime is 104931643. The reversal of 104931638 is 836139401.

It is a super-2 number, since 2×104931638² = 22021297306726088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104931598 and 104931607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42206 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (7649343).

Almost surely, 2^104931638 is an apocalyptic number.

104931638 is a deficient number, since it is larger than the sum of its proper divisors (78652594).

104931638 is a wasteful number, since it uses less digits than its factorization.

104931638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104931638 is about 10243.6144987988. The cubic root of 104931638 is about 471.6669913608. Note that the first 3 decimals are identical.

The spelling of 104931638 in words is "one hundred four million, nine hundred thirty-one thousand, six hundred thirty-eight".