89579328 has 56 divisors (see below), whose sum is σ = 241511328. Its totient is φ = 29293056.

The previous prime is 89579317. The next prime is 89579339. The reversal of 89579328 is 82397598.

It is an interprime number because it is at equal distance from previous prime (89579317) and next prime (89579339).

It is a congruent number.

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, 5775 + ... + 14577.

Almost surely, 2^89579328 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 89579328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120755664).

89579328 is an abundant number, since it is smaller than the sum of its proper divisors (151932000).

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

89579328 is a wasteful number, since it uses less digits than its factorization.

89579328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871 (or 8861 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 89579328 is about 9464.6356506735. The cubic root of 89579328 is about 447.4411611830.

The spelling of 89579328 in words is "eighty-nine million, five hundred seventy-nine thousand, three hundred twenty-eight".