104490638 has 12 divisors (see below), whose sum is σ = 182325672. Its totient is φ = 44781660.

The previous prime is 104490601. The next prime is 104490643. The reversal of 104490638 is 836094401.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 104490598 and 104490607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533018 + ... + 533213.

It is an arithmetic number, because the mean of its divisors is an integer number (15193806).

Almost surely, 2^104490638 is an apocalyptic number.

104490638 is a deficient number, since it is larger than the sum of its proper divisors (77835034).

104490638 is a wasteful number, since it uses less digits than its factorization.

104490638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066247 (or 1066240 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 104490638 is about 10222.0662294861. The cubic root of 104490638 is about 471.0052995318.

The spelling of 104490638 in words is "one hundred four million, four hundred ninety thousand, six hundred thirty-eight".