89868528 has 100 divisors (see below), whose sum is σ = 275473440. Its totient is φ = 28187136.

The previous prime is 89868517. The next prime is 89868533. The reversal of 89868528 is 82586898.

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

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 19993 + ... + 24071.

Almost surely, 2^89868528 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 89868528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137736720).

89868528 is an abundant number, since it is smaller than the sum of its proper divisors (185604912).

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

89868528 is a wasteful number, since it uses less digits than its factorization.

89868528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4101 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 89868528 is about 9479.9012653086. The cubic root of 89868528 is about 447.9221537783.

The spelling of 89868528 in words is "eighty-nine million, eight hundred sixty-eight thousand, five hundred twenty-eight".