115639624 has 32 divisors (see below), whose sum is σ = 228888000. Its totient is φ = 54620352.

The previous prime is 115639619. The next prime is 115639631. The reversal of 115639624 is 426936511.

It is a super-2 number, since 2×115639624² = 26745045277722752, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 65862 + ... + 67594.

It is an arithmetic number, because the mean of its divisors is an integer number (7152750).

Almost surely, 2^115639624 is an apocalyptic number.

It is an amenable number.

115639624 is a deficient number, since it is larger than the sum of its proper divisors (113248376).

115639624 is a wasteful number, since it uses less digits than its factorization.

115639624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2193 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 115639624 is about 10753.5865644909. The cubic root of 115639624 is about 487.1943281237.

The spelling of 115639624 in words is "one hundred fifteen million, six hundred thirty-nine thousand, six hundred twenty-four".