89005917 has 64 divisors (see below), whose sum is σ = 161409024. Its totient is φ = 42128640.

The previous prime is 89005909. The next prime is 89005951. The reversal of 89005917 is 71950098.

It is a happy number.

It is not a de Polignac number, because 89005917 - 2³ = 89005909 is a prime.

It is a super-2 number, since 2×89005917² = 15844106522021778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89005117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321183 + ... + 321459.

It is an arithmetic number, because the mean of its divisors is an integer number (2522016).

Almost surely, 2^89005917 is an apocalyptic number.

It is an amenable number.

89005917 is a deficient number, since it is larger than the sum of its proper divisors (72403107).

89005917 is a wasteful number, since it uses less digits than its factorization.

89005917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 89005917 is about 9434.2947272173. The cubic root of 89005917 is about 446.4844036825.

The spelling of 89005917 in words is "eighty-nine million, five thousand, nine hundred seventeen".