3256564 has 12 divisors (see below), whose sum is σ = 5796000. Its totient is φ = 1600568.

The previous prime is 3256553. The next prime is 3256567. The reversal of 3256564 is 4656523.

3256564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6664 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (483000).

Almost surely, 2^3256564 is an apocalyptic number.

It is an amenable number.

3256564 is a deficient number, since it is larger than the sum of its proper divisors (2539436).

3256564 is a wasteful number, since it uses less digits than its factorization.

3256564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862 (or 13860 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 3256564 is about 1804.5952454775. The cubic root of 3256564 is about 148.2244585349.

It can be divided in two parts, 325 and 6564, that added together give a square (6889 = 83²).

The spelling of 3256564 in words is "three million, two hundred fifty-six thousand, five hundred sixty-four".