104578920 has 48 divisors (see below), whose sum is σ = 339882660. Its totient is φ = 27887616.

The previous prime is 104578919. The next prime is 104578933. The reversal of 104578920 is 29875401.

It can be written as a sum of positive squares in 2 ways, for example, as 104407524 + 171396 = 10218^2 + 414^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144889 + ... + 145608.

Almost surely, 2^104578920 is an apocalyptic number.

104578920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104578920 is an abundant number, since it is smaller than the sum of its proper divisors (235303740).

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

104578920 is a wasteful number, since it uses less digits than its factorization.

104578920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290514 (or 290507 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 104578920 is about 10226.3835249809. The cubic root of 104578920 is about 471.1379097693.

The spelling of 104578920 in words is "one hundred four million, five hundred seventy-eight thousand, nine hundred twenty".