98590589 has 2 divisors, whose sum is σ = 98590590. Its totient is φ = 98590588.

The previous prime is 98590561. The next prime is 98590603. The reversal of 98590589 is 98509589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73239364 + 25351225 = 8558^2 + 5035^2 .

It is a cyclic number.

It is not a de Polignac number, because 98590589 - 2⁸ = 98590333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98590589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98590559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49295294 + 49295295.

It is an arithmetic number, because the mean of its divisors is an integer number (49295295).

Almost surely, 2^98590589 is an apocalyptic number.

It is an amenable number.

98590589 is a deficient number, since it is larger than the sum of its proper divisors (1).

98590589 is an equidigital number, since it uses as much as digits as its factorization.

98590589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The square root of 98590589 is about 9929.2793796932. The cubic root of 98590589 is about 461.9679222245.

The spelling of 98590589 in words is "ninety-eight million, five hundred ninety thousand, five hundred eighty-nine".