2656264 has 16 divisors (see below), whose sum is σ = 5363820. Its totient is φ = 1225920.

The previous prime is 2656261. The next prime is 2656271. The reversal of 2656264 is 4626562.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 128164 = 1590^2 + 358^2 .

It is not an unprimeable number, because it can be changed into a prime (2656261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12667 + ... + 12874.

2^2656264 is an apocalyptic number.

It is an amenable number.

2656264 is an abundant number, since it is smaller than the sum of its proper divisors (2707556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2656264 is a wasteful number, since it uses less digits than its factorization.

2656264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560 (or 25556 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2656264 is about 1629.8048962989. The cubic root of 2656264 is about 138.4916997289.

The spelling of 2656264 in words is "two million, six hundred fifty-six thousand, two hundred sixty-four".