89688924 has 96 divisors (see below), whose sum is σ = 252887040. Its totient is φ = 27324864.

The previous prime is 89688917. The next prime is 89688931. The reversal of 89688924 is 42988698.

It is an interprime number because it is at equal distance from previous prime (89688917) and next prime (89688931).

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

Its product of digits (1990656) is a multiple of the sum of its prime divisors (648).

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 31 ways as a sum of consecutive naturals, for example, 178057 + ... + 178559.

It is an arithmetic number, because the mean of its divisors is an integer number (2634240).

Almost surely, 2^89688924 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 89688924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126443520).

89688924 is an abundant number, since it is smaller than the sum of its proper divisors (163198116).

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

89688924 is a wasteful number, since it uses less digits than its factorization.

89688924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 648 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 89688924 is about 9470.4236441671. The cubic root of 89688924 is about 447.6235610652.

The spelling of 89688924 in words is "eighty-nine million, six hundred eighty-eight thousand, nine hundred twenty-four".