104023644 has 12 divisors (see below), whose sum is σ = 242721864. Its totient is φ = 34674544.

The previous prime is 104023607. The next prime is 104023669. The reversal of 104023644 is 446320401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×104023644² = 21641837022077472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334307 + ... + 4334330.

It is an arithmetic number, because the mean of its divisors is an integer number (20226822).

Almost surely, 2^104023644 is an apocalyptic number.

It is an amenable number.

104023644 is an abundant number, since it is smaller than the sum of its proper divisors (138698220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104023644 is a wasteful number, since it uses less digits than its factorization.

104023644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668644 (or 8668642 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 104023644 is about 10199.1982037805. The cubic root of 104023644 is about 470.3025726370.

The spelling of 104023644 in words is "one hundred four million, twenty-three thousand, six hundred forty-four".