89591488 has 56 divisors (see below), whose sum is σ = 209767424. Its totient is φ = 37152000.

The previous prime is 89591449. The next prime is 89591497. The reversal of 89591488 is 88419598.

It is a tau number, because it is divible by the number of its divisors (56).

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, 10663 + ... + 17113.

Almost surely, 2^89591488 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 89591488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104883712).

89591488 is an abundant number, since it is smaller than the sum of its proper divisors (120175936).

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

89591488 is a wasteful number, since it uses less digits than its factorization.

89591488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501 (or 6491 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The square root of 89591488 is about 9465.2780202168. The cubic root of 89591488 is about 447.4614063239.

The spelling of 89591488 in words is "eighty-nine million, five hundred ninety-one thousand, four hundred eighty-eight".