79944 has 16 divisors (see below), whose sum is σ = 199920. Its totient is φ = 26640.

The previous prime is 79943. The next prime is 79967. The reversal of 79944 is 44997.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 79944.

It is not an unprimeable number, because it can be changed into a prime (79943) 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, 1642 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (12495).

2⁷⁹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

79944 is an abundant number, since it is smaller than the sum of its proper divisors (119976).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99960).

79944 is a wasteful number, since it uses less digits than its factorization.

79944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 3336 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 79944 is about 282.7437001951. The cubic root of 79944 is about 43.0786374252.

The spelling of 79944 in words is "seventy-nine thousand, nine hundred forty-four".