79439604 has 12 divisors (see below), whose sum is σ = 185359104. Its totient is φ = 26479864.

The previous prime is 79439603. The next prime is 79439609. The reversal of 79439604 is 40693497.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79439603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3309972 + ... + 3309995.

It is an arithmetic number, because the mean of its divisors is an integer number (15446592).

Almost surely, 2^79439604 is an apocalyptic number.

It is an amenable number.

79439604 is an abundant number, since it is smaller than the sum of its proper divisors (105919500).

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

79439604 is a wasteful number, since it uses less digits than its factorization.

79439604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619974 (or 6619972 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 79439604 is about 8912.8897670733. The cubic root of 79439604 is about 429.8784657432.

The spelling of 79439604 in words is "seventy-nine million, four hundred thirty-nine thousand, six hundred four".