89598589 has 2 divisors, whose sum is σ = 89598590. Its totient is φ = 89598588.

The previous prime is 89598563. The next prime is 89598601. The reversal of 89598589 is 98589598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 2325625 = 9342^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 89598589 - 2¹⁹ = 89074301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89598539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44799294 + 44799295.

It is an arithmetic number, because the mean of its divisors is an integer number (44799295).

Almost surely, 2^89598589 is an apocalyptic number.

It is an amenable number.

89598589 is a deficient number, since it is larger than the sum of its proper divisors (1).

89598589 is an equidigital number, since it uses as much as digits as its factorization.

89598589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 61.

The square root of 89598589 is about 9465.6531206251. The cubic root of 89598589 is about 447.4732279064.

The spelling of 89598589 in words is "eighty-nine million, five hundred ninety-eight thousand, five hundred eighty-nine".