89531008 has 32 divisors (see below), whose sum is σ = 203844960. Its totient is φ = 38370048.

The previous prime is 89530997. The next prime is 89531041. The reversal of 89531008 is 80013598.

It is a tau number, because it is divible by the number of its divisors (32).

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, 49066 + ... + 50857.

It is an arithmetic number, because the mean of its divisors is an integer number (6370155).

Almost surely, 2^89531008 is an apocalyptic number.

It is an amenable number.

89531008 is an abundant number, since it is smaller than the sum of its proper divisors (114313952).

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

89531008 is an equidigital number, since it uses as much as digits as its factorization.

89531008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99944 (or 99932 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 89531008 is about 9462.0826460140. The cubic root of 89531008 is about 447.3606952765.

The spelling of 89531008 in words is "eighty-nine million, five hundred thirty-one thousand, eight".