3660564 has 12 divisors (see below), whose sum is σ = 8541344. Its totient is φ = 1220184.

The previous prime is 3660563. The next prime is 3660571. The reversal of 3660564 is 4650663.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152512 + ... + 152535.

Almost surely, 2^3660564 is an apocalyptic number.

It is an amenable number.

3660564 is an abundant number, since it is smaller than the sum of its proper divisors (4880780).

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

3660564 is a wasteful number, since it uses less digits than its factorization.

3660564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305054 (or 305052 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3660564 is about 1913.2600450540. The cubic root of 3660564 is about 154.1165699739.

Subtracting 3660564 from its reverse (4650663), we obtain a palindrome (990099).

It can be divided in two parts, 3660 and 564, that added together give a palindrome (4224).

The spelling of 3660564 in words is "three million, six hundred sixty thousand, five hundred sixty-four".