89155916 has 12 divisors (see below), whose sum is σ = 156239160. Its totient is φ = 44516160.

The previous prime is 89155909. The next prime is 89155921. The reversal of 89155916 is 61955198.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12125 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (13019930).

Almost surely, 2^89155916 is an apocalyptic number.

It is an amenable number.

89155916 is a deficient number, since it is larger than the sum of its proper divisors (67083244).

89155916 is a wasteful number, since it uses less digits than its factorization.

89155916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30904 (or 30902 counting only the distinct ones).

The product of its digits is 97200, while the sum is 44.

The square root of 89155916 is about 9442.2410475480. The cubic root of 89155916 is about 446.7350785044.

The spelling of 89155916 in words is "eighty-nine million, one hundred fifty-five thousand, nine hundred sixteen".