104309928 has 48 divisors (see below), whose sum is σ = 282976980. Its totient is φ = 34712064.

The previous prime is 104309927. The next prime is 104309951. The reversal of 104309928 is 829903401.

It can be written as a sum of positive squares in 2 ways, for example, as 103673124 + 636804 = 10182^2 + 798^2 .

It is a super-2 number, since 2×104309928² = 21761122158730368, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 104309892 and 104309901.

It is not an unprimeable number, because it can be changed into a prime (104309921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 79776 + ... + 81072.

Almost surely, 2^104309928 is an apocalyptic number.

104309928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

104309928 is an abundant number, since it is smaller than the sum of its proper divisors (178667052).

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

104309928 is a wasteful number, since it uses less digits than its factorization.

104309928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 104309928 is about 10213.2231934879. The cubic root of 104309928 is about 470.7336181521.

The spelling of 104309928 in words is "one hundred four million, three hundred nine thousand, nine hundred twenty-eight".