89144592 has 80 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 28483200.

The previous prime is 89144567. The next prime is 89144603. The reversal of 89144592 is 29544198.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206617 + ... + 207047.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^89144592 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 89144592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

89144592 is an abundant number, since it is smaller than the sum of its proper divisors (150840048).

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

89144592 is a wasteful number, since it uses less digits than its factorization.

89144592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 606 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89144592 is about 9441.6413827258. The cubic root of 89144592 is about 446.7161639165.

The spelling of 89144592 in words is "eighty-nine million, one hundred forty-four thousand, five hundred ninety-two".