79928394 has 32 divisors (see below), whose sum is σ = 196748160. Its totient is φ = 21079872.

The previous prime is 79928389. The next prime is 79928423. The reversal of 79928394 is 49382997.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72649 + ... + 73740.

It is an arithmetic number, because the mean of its divisors is an integer number (6148380).

Almost surely, 2^79928394 is an apocalyptic number.

79928394 is an abundant number, since it is smaller than the sum of its proper divisors (116819766).

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

79928394 is a wasteful number, since it uses less digits than its factorization.

79928394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146414.

The product of its digits is 979776, while the sum is 51.

The square root of 79928394 is about 8940.2681167849. The cubic root of 79928394 is about 430.7583409221.

The spelling of 79928394 in words is "seventy-nine million, nine hundred twenty-eight thousand, three hundred ninety-four".