89618532 has 12 divisors (see below), whose sum is σ = 209109936. Its totient is φ = 29872840.

The previous prime is 89618531. The next prime is 89618533. The reversal of 89618532 is 23581698.

It is an interprime number because it is at equal distance from previous prime (89618531) and next prime (89618533).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (89618531) 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, 3734094 + ... + 3734117.

It is an arithmetic number, because the mean of its divisors is an integer number (17425828).

Almost surely, 2^89618532 is an apocalyptic number.

It is an amenable number.

89618532 is an abundant number, since it is smaller than the sum of its proper divisors (119491404).

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

89618532 is a wasteful number, since it uses less digits than its factorization.

89618532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468218 (or 7468216 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89618532 is about 9466.7065022636. The cubic root of 89618532 is about 447.5064252170.

The spelling of 89618532 in words is "eighty-nine million, six hundred eighteen thousand, five hundred thirty-two".