89518616 has 32 divisors (see below), whose sum is σ = 184161600. Its totient is φ = 40455840.

The previous prime is 89518609. The next prime is 89518631. The reversal of 89518616 is 61681598.

It is a super-2 number, since 2×89518616² = 16027165221110912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12911 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (5755050).

Almost surely, 2^89518616 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 89518616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92080800).

89518616 is an abundant number, since it is smaller than the sum of its proper divisors (94642984).

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

89518616 is a wasteful number, since it uses less digits than its factorization.

89518616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879 (or 5875 counting only the distinct ones).

The product of its digits is 103680, while the sum is 44.

The square root of 89518616 is about 9461.4277992278. The cubic root of 89518616 is about 447.3400545710.

The spelling of 89518616 in words is "eighty-nine million, five hundred eighteen thousand, six hundred sixteen".