2656604 has 6 divisors (see below), whose sum is σ = 4649064. Its totient is φ = 1328300.

The previous prime is 2656601. The next prime is 2656627. The reversal of 2656604 is 4066562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332072 + ... + 332079.

It is an arithmetic number, because the mean of its divisors is an integer number (774844).

2^2656604 is an apocalyptic number.

It is an amenable number.

2656604 is a deficient number, since it is larger than the sum of its proper divisors (1992460).

2656604 is a wasteful number, since it uses less digits than its factorization.

2656604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664155 (or 664153 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2656604 is about 1629.9091999250. The cubic root of 2656604 is about 138.4976084249.

The spelling of 2656604 in words is "two million, six hundred fifty-six thousand, six hundred four".