89992 has 16 divisors (see below), whose sum is σ = 192960. Its totient is φ = 38544.

The previous prime is 89989. The next prime is 90001. The reversal of 89992 is 29998.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (12060).

2⁸⁹⁹⁹² is an apocalyptic number.

It is an amenable number.

89992 is an abundant number, since it is smaller than the sum of its proper divisors (102968).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96480).

89992 is a wasteful number, since it uses less digits than its factorization.

89992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 89992 is about 299.9866663704. The cubic root of 89992 is about 44.8127196026.

It can be divided in two parts, 89 and 992, that multiplied together give a palindrome (88288).

The spelling of 89992 in words is "eighty-nine thousand, nine hundred ninety-two".