2604459 has 24 divisors (see below), whose sum is σ = 4110912. Its totient is φ = 1453920.

The previous prime is 2604439. The next prime is 2604499. The reversal of 2604459 is 9544062.

It is a de Polignac number, because none of the positive numbers 2^k-2604459 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2604439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5344 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (171288).

2^2604459 is an apocalyptic number.

2604459 is a deficient number, since it is larger than the sum of its proper divisors (1506453).

2604459 is a wasteful number, since it uses less digits than its factorization.

2604459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2604459 is about 1613.8336345485. The cubic root of 2604459 is about 137.5854499161.

The spelling of 2604459 in words is "two million, six hundred four thousand, four hundred fifty-nine".