89881320 has 32 divisors (see below), whose sum is σ = 269644320. Its totient is φ = 23968320.

The previous prime is 89881313. The next prime is 89881333. The reversal of 89881320 is 2318898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374386 + ... + 374625.

It is an arithmetic number, because the mean of its divisors is an integer number (8426385).

Almost surely, 2^89881320 is an apocalyptic number.

It is an amenable number.

89881320 is an abundant number, since it is smaller than the sum of its proper divisors (179763000).

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

89881320 is a wasteful number, since it uses less digits than its factorization.

89881320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749025 (or 749021 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 89881320 is about 9480.5759318725. The cubic root of 89881320 is about 447.9434053721.

The spelling of 89881320 in words is "eighty-nine million, eight hundred eighty-one thousand, three hundred twenty".