104642688 has 32 divisors (see below), whose sum is σ = 277958160. Its totient is φ = 34880768.

The previous prime is 104642647. The next prime is 104642719. The reversal of 104642688 is 886246401.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135870 + ... + 136637.

Almost surely, 2^104642688 is an apocalyptic number.

It is an amenable number.

104642688 is an abundant number, since it is smaller than the sum of its proper divisors (173315472).

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

104642688 is an equidigital number, since it uses as much as digits as its factorization.

104642688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272524 (or 272512 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 104642688 is about 10229.5008675888. The cubic root of 104642688 is about 471.2336505994.

It can be divided in two parts, 1046 and 42688, that added together give a palindrome (43734).

The spelling of 104642688 in words is "one hundred four million, six hundred forty-two thousand, six hundred eighty-eight".