2598664 has 16 divisors (see below), whose sum is σ = 4905900. Its totient is φ = 1290432.

The previous prime is 2598653. The next prime is 2598679. The reversal of 2598664 is 4668952.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 220900 = 1542^2 + 470^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222 + ... + 2290.

2^2598664 is an apocalyptic number.

It is an amenable number.

2598664 is a deficient number, since it is larger than the sum of its proper divisors (2307236).

2598664 is a wasteful number, since it uses less digits than its factorization.

2598664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2228 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 2598664 is about 1612.0372204140. The cubic root of 2598664 is about 137.4833302105.

It can be divided in two parts, 25 and 98664, that added together give a palindrome (98689).

The spelling of 2598664 in words is "two million, five hundred ninety-eight thousand, six hundred sixty-four".