3642564 has 12 divisors (see below), whose sum is σ = 8499344. Its totient is φ = 1214184.

The previous prime is 3642559. The next prime is 3642571. The reversal of 3642564 is 4652463.

3642564 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 151762 + ... + 151785.

Almost surely, 2^3642564 is an apocalyptic number.

It is an amenable number.

3642564 is an abundant number, since it is smaller than the sum of its proper divisors (4856780).

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

3642564 is a wasteful number, since it uses less digits than its factorization.

3642564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303554 (or 303552 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 3642564 is about 1908.5502351261. The cubic root of 3642564 is about 153.8635435984.

The spelling of 3642564 in words is "three million, six hundred forty-two thousand, five hundred sixty-four".