2602904 has 16 divisors (see below), whose sum is σ = 5167800. Its totient is φ = 1224832.

The previous prime is 2602889. The next prime is 2602909. The reversal of 2602904 is 4092062.

It is a self number, because there is not a number n which added to its sum of digits gives 2602904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9434 + ... + 9705.

2^2602904 is an apocalyptic number.

It is an amenable number.

2602904 is a deficient number, since it is larger than the sum of its proper divisors (2564896).

2602904 is a wasteful number, since it uses less digits than its factorization.

2602904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19162 (or 19158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2602904 is about 1613.3517905280. The cubic root of 2602904 is about 137.5580625307.

Adding to 2602904 its reverse (4092062), we get a palindrome (6694966).

The spelling of 2602904 in words is "two million, six hundred two thousand, nine hundred four".