89988928 has 14 divisors (see below), whose sum is σ = 178571906. Its totient is φ = 44994432.

The previous prime is 89988923. The next prime is 89988967. The reversal of 89988928 is 82988998.

It can be written as a sum of positive squares in only one way, i.e., 51151104 + 38837824 = 7152^2 + 6232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89988923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702975 + ... + 703102.

Almost surely, 2^89988928 is an apocalyptic number.

It is an amenable number.

89988928 is a deficient number, since it is larger than the sum of its proper divisors (88582978).

89988928 is a wasteful number, since it uses less digits than its factorization.

89988928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406089 (or 1406079 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 61.

The square root of 89988928 is about 9486.2494169192. The cubic root of 89988928 is about 448.1220968230.

The spelling of 89988928 in words is "eighty-nine million, nine hundred eighty-eight thousand, nine hundred twenty-eight".