89005918 has 16 divisors (see below), whose sum is σ = 141649920. Its totient is φ = 41826456.

The previous prime is 89005909. The next prime is 89005951. The reversal of 89005918 is 81950098.

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, 4396 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (8853120).

Almost surely, 2^89005918 is an apocalyptic number.

89005918 is a deficient number, since it is larger than the sum of its proper divisors (52644002).

89005918 is a wasteful number, since it uses less digits than its factorization.

89005918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18591.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 89005918 is about 9434.2947802154. The cubic root of 89005918 is about 446.4844053547.

The spelling of 89005918 in words is "eighty-nine million, five thousand, nine hundred eighteen".