89812992 has 52 divisors (see below), whose sum is σ = 239504840. Its totient is φ = 29933568.

The previous prime is 89812991. The next prime is 89812993. The reversal of 89812992 is 29921898.

It is an interprime number because it is at equal distance from previous prime (89812991) and next prime (89812993).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89812991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8634 + ... + 15942.

Almost surely, 2^89812992 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 89812992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119752420).

89812992 is an abundant number, since it is smaller than the sum of its proper divisors (149691848).

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

89812992 is an equidigital number, since it uses as much as digits as its factorization.

89812992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 7314 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 89812992 is about 9476.9716682071. The cubic root of 89812992 is about 447.8298673713.

The spelling of 89812992 in words is "eighty-nine million, eight hundred twelve thousand, nine hundred ninety-two".