104239424 has 28 divisors (see below), whose sum is σ = 207265524. Its totient is φ = 52015104.

The previous prime is 104239411. The next prime is 104239433. The reversal of 104239424 is 424932401.

It can be written as a sum of positive squares in 2 ways, for example, as 23814400 + 80425024 = 4880^2 + 8968^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37904 + ... + 40560.

Almost surely, 2^104239424 is an apocalyptic number.

It is an amenable number.

104239424 is a deficient number, since it is larger than the sum of its proper divisors (103026100).

104239424 is an equidigital number, since it uses as much as digits as its factorization.

104239424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 104239424 is about 10209.7710062469. The cubic root of 104239424 is about 470.6275365804.

The spelling of 104239424 in words is "one hundred four million, two hundred thirty-nine thousand, four hundred twenty-four".