89589917 has 4 divisors (see below), whose sum is σ = 90243996. Its totient is φ = 88935840.

The previous prime is 89589911. The next prime is 89589919. The reversal of 89589917 is 71998598.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43811161 + 45778756 = 6619^2 + 6766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89589917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89589911) 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 3 ways as a sum of consecutive naturals, for example, 326834 + ... + 327107.

It is an arithmetic number, because the mean of its divisors is an integer number (22560999).

Almost surely, 2^89589917 is an apocalyptic number.

It is an amenable number.

89589917 is a deficient number, since it is larger than the sum of its proper divisors (654079).

89589917 is a wasteful number, since it uses less digits than its factorization.

89589917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654078.

The product of its digits is 1632960, while the sum is 56.

The square root of 89589917 is about 9465.1950323276. The cubic root of 89589917 is about 447.4587908746.

The spelling of 89589917 in words is "eighty-nine million, five hundred eighty-nine thousand, nine hundred seventeen".