89601928 has 64 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 38666496.

The previous prime is 89601923. The next prime is 89601931. The reversal of 89601928 is 82910698.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89601923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112026 + ... + 112822.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^89601928 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 89601928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).

89601928 is an abundant number, since it is smaller than the sum of its proper divisors (103450232).

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

89601928 is a wasteful number, since it uses less digits than its factorization.

89601928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 89601928 is about 9465.8294934992. The cubic root of 89601928 is about 447.4787863814.

The spelling of 89601928 in words is "eighty-nine million, six hundred one thousand, nine hundred twenty-eight".