104663688 has 32 divisors (see below), whose sum is σ = 270101760. Its totient is φ = 33762240.

The previous prime is 104663683. The next prime is 104663701. The reversal of 104663688 is 886366401.

It is a happy number.

It is a super-2 number, since 2×104663688² = 21908975171522688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104663683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69595 + ... + 71082.

It is an arithmetic number, because the mean of its divisors is an integer number (8440680).

Almost surely, 2^104663688 is an apocalyptic number.

It is an amenable number.

104663688 is an abundant number, since it is smaller than the sum of its proper divisors (165438072).

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

104663688 is a wasteful number, since it uses less digits than its factorization.

104663688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140717 (or 140713 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 104663688 is about 10230.5272591397. The cubic root of 104663688 is about 471.2651713390.

The spelling of 104663688 in words is "one hundred four million, six hundred sixty-three thousand, six hundred eighty-eight".