3612564 has 36 divisors (see below), whose sum is σ = 9530976. Its totient is φ = 1151568.

The previous prime is 3612547. The next prime is 3612577. The reversal of 3612564 is 4652163.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1354 + ... + 3009.

Almost surely, 2^3612564 is an apocalyptic number.

It is an amenable number.

3612564 is an abundant number, since it is smaller than the sum of its proper divisors (5918412).

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

3612564 is a wasteful number, since it uses less digits than its factorization.

3612564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4391 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3612564 is about 1900.6746170768. The cubic root of 3612564 is about 153.4399741251.

The spelling of 3612564 in words is "three million, six hundred twelve thousand, five hundred sixty-four".