80939232 has 144 divisors (see below), whose sum is σ = 260048880. Its totient is φ = 23654400.

The previous prime is 80939191. The next prime is 80939251. The reversal of 80939232 is 23293908.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91432 + ... + 92312.

It is an arithmetic number, because the mean of its divisors is an integer number (1805895).

Almost surely, 2^80939232 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 80939232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130024440).

80939232 is an abundant number, since it is smaller than the sum of its proper divisors (179109648).

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

80939232 is a wasteful number, since it uses less digits than its factorization.

80939232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 80939232 is about 8996.6233665748. The cubic root of 80939232 is about 432.5666432550.

The spelling of 80939232 in words is "eighty million, nine hundred thirty-nine thousand, two hundred thirty-two".