2564896 has 12 divisors (see below), whose sum is σ = 5049702. Its totient is φ = 1282432.

The previous prime is 2564857. The next prime is 2564899. The reversal of 2564896 is 6984652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 1210000 = 1164^2 + 1100^2 .

It is not an unprimeable number, because it can be changed into a prime (2564899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40045 + ... + 40108.

2^2564896 is an apocalyptic number.

It is an amenable number.

2564896 is a deficient number, since it is larger than the sum of its proper divisors (2484806).

2564896 is an equidigital number, since it uses as much as digits as its factorization.

2564896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80163 (or 80155 counting only the distinct ones).

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

The square root of 2564896 is about 1601.5292691674. The cubic root of 2564896 is about 136.8852289708.

The spelling of 2564896 in words is "two million, five hundred sixty-four thousand, eight hundred ninety-six".