89983992 has 128 divisors (see below), whose sum is σ = 278208000. Its totient is φ = 24159744.

The previous prime is 89983951. The next prime is 89984003. The reversal of 89983992 is 29938998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139623 + ... + 140265.

It is an arithmetic number, because the mean of its divisors is an integer number (2173500).

Almost surely, 2^89983992 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 89983992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139104000).

89983992 is an abundant number, since it is smaller than the sum of its proper divisors (188224008).

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

89983992 is a wasteful number, since it uses less digits than its factorization.

89983992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 672 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 57.

The square root of 89983992 is about 9485.9892473057. The cubic root of 89983992 is about 448.1139033295.

The spelling of 89983992 in words is "eighty-nine million, nine hundred eighty-three thousand, nine hundred ninety-two".