104388920 has 32 divisors (see below), whose sum is σ = 236736000. Its totient is φ = 41424768.

The previous prime is 104388917. The next prime is 104388961. The reversal of 104388920 is 29883401.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 5195 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (7398000).

Almost surely, 2^104388920 is an apocalyptic number.

104388920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104388920 is an abundant number, since it is smaller than the sum of its proper divisors (132347080).

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

104388920 is a wasteful number, since it uses less digits than its factorization.

104388920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687 (or 20683 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 104388920 is about 10217.0896051664. The cubic root of 104388920 is about 470.8524141552.

The spelling of 104388920 in words is "one hundred four million, three hundred eighty-eight thousand, nine hundred twenty".