79403964 has 48 divisors (see below), whose sum is σ = 198737280. Its totient is φ = 24598080.

The previous prime is 79403953. The next prime is 79403971. The reversal of 79403964 is 46930497.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8799 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (4140360).

Almost surely, 2^79403964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79403964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99368640).

79403964 is an abundant number, since it is smaller than the sum of its proper divisors (119333316).

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

79403964 is a wasteful number, since it uses less digits than its factorization.

79403964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650 (or 6648 counting only the distinct ones).

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

The square root of 79403964 is about 8910.8901912211. The cubic root of 79403964 is about 429.8141688454.

The spelling of 79403964 in words is "seventy-nine million, four hundred three thousand, nine hundred sixty-four".