2564368 has 20 divisors (see below), whose sum is σ = 5030928. Its totient is φ = 1266080.

The previous prime is 2564363. The next prime is 2564369. The reversal of 2564368 is 8634652.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 6⁷ + 4⁷ + 3⁷ + 6⁷ + 8⁵ .

It is not an unprimeable number, because it can be changed into a prime (2564363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363 + ... + 2293.

2^2564368 is an apocalyptic number.

It is an amenable number.

2564368 is a deficient number, since it is larger than the sum of its proper divisors (2466560).

2564368 is a wasteful number, since it uses less digits than its factorization.

2564368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2016 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2564368 is about 1601.3644182384. The cubic root of 2564368 is about 136.8758354306.

It can be divided in two parts, 256 and 4368, that added together give a square (4624 = 68²).

The spelling of 2564368 in words is "two million, five hundred sixty-four thousand, three hundred sixty-eight".