2598989 has 2 divisors, whose sum is σ = 2598990. Its totient is φ = 2598988.

The previous prime is 2598983. The next prime is 2599013. The reversal of 2598989 is 9898952.

2598989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 6889 = 1610^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598989 - 2⁸ = 2598733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2598983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299494 + 1299495.

It is an arithmetic number, because the mean of its divisors is an integer number (1299495).

2^2598989 is an apocalyptic number.

It is an amenable number.

2598989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598989 is an equidigital number, since it uses as much as digits as its factorization.

2598989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 50.

The square root of 2598989 is about 1612.1380213865. The cubic root of 2598989 is about 137.4890613888.

The spelling of 2598989 in words is "two million, five hundred ninety-eight thousand, nine hundred eighty-nine".