89873928 has 64 divisors (see below), whose sum is σ = 250776000. Its totient is φ = 29822976.

The previous prime is 89873911. The next prime is 89873939. The reversal of 89873928 is 82937898.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 54703 + ... + 56321.

It is an arithmetic number, because the mean of its divisors is an integer number (3918375).

Almost surely, 2^89873928 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 89873928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125388000).

89873928 is an abundant number, since it is smaller than the sum of its proper divisors (160902072).

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

89873928 is a wasteful number, since it uses less digits than its factorization.

89873928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1881 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 89873928 is about 9480.1860741232. The cubic root of 89873928 is about 447.9311251474.

The spelling of 89873928 in words is "eighty-nine million, eight hundred seventy-three thousand, nine hundred twenty-eight".