89830917 has 32 divisors (see below), whose sum is σ = 152832000. Its totient is φ = 51574320.

The previous prime is 89830883. The next prime is 89830927. The reversal of 89830917 is 71903898.

It is a de Polignac number, because none of the positive numbers 2^k-89830917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89830927) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2317 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (4776000).

Almost surely, 2^89830917 is an apocalyptic number.

It is an amenable number.

89830917 is a deficient number, since it is larger than the sum of its proper divisors (63001083).

89830917 is a wasteful number, since it uses less digits than its factorization.

89830917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15958 (or 15952 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 89830917 is about 9477.9173345203. The cubic root of 89830917 is about 447.8596582224.

The spelling of 89830917 in words is "eighty-nine million, eight hundred thirty thousand, nine hundred seventeen".