89111904 has 48 divisors (see below), whose sum is σ = 267337728. Its totient is φ = 25460352.

The previous prime is 89111861. The next prime is 89111917. The reversal of 89111904 is 40911198.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65632 + ... + 66975.

It is an arithmetic number, because the mean of its divisors is an integer number (5569536).

Almost surely, 2^89111904 is an apocalyptic number.

89111904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

89111904 is an abundant number, since it is smaller than the sum of its proper divisors (178225824).

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

89111904 is a wasteful number, since it uses less digits than its factorization.

89111904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132627 (or 132619 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 89111904 is about 9439.9101690641. The cubic root of 89111904 is about 446.6615558436.

The spelling of 89111904 in words is "eighty-nine million, one hundred eleven thousand, nine hundred four".