89571328 has 120 divisors (see below), whose sum is σ = 226485504. Its totient is φ = 34406400.

The previous prime is 89571323. The next prime is 89571337. The reversal of 89571328 is 82317598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89571323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261533 + ... + 1261603.

Almost surely, 2^89571328 is an apocalyptic number.

89571328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89571328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113242752).

89571328 is an abundant number, since it is smaller than the sum of its proper divisors (136914176).

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

89571328 is an equidigital number, since it uses as much as digits as its factorization.

89571328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 91 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 89571328 is about 9464.2130153542. The cubic root of 89571328 is about 447.4278410122.

The spelling of 89571328 in words is "eighty-nine million, five hundred seventy-one thousand, three hundred twenty-eight".