89158944 has 96 divisors (see below), whose sum is σ = 281594880. Its totient is φ = 24129792.

The previous prime is 89158943. The next prime is 89158961. The reversal of 89158944 is 44985198.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 89158893 and 89158902.

It is not an unprimeable number, because it can be changed into a prime (89158943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9277 + ... + 16259.

It is an arithmetic number, because the mean of its divisors is an integer number (2933280).

Almost surely, 2^89158944 is an apocalyptic number.

89158944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89158944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140797440).

89158944 is an abundant number, since it is smaller than the sum of its proper divisors (192435936).

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

89158944 is a wasteful number, since it uses less digits than its factorization.

89158944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022 (or 7014 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 89158944 is about 9442.4013894771. The cubic root of 89158944 is about 446.7401359310.

The spelling of 89158944 in words is "eighty-nine million, one hundred fifty-eight thousand, nine hundred forty-four".