3640612 has 12 divisors (see below), whose sum is σ = 6409116. Its totient is φ = 1809440.

The previous prime is 3640597. The next prime is 3640633. The reversal of 3640612 is 2160463.

3640612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 599076 = 1744^2 + 774^2 .

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, 1939 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (534093).

Almost surely, 2^3640612 is an apocalyptic number.

It is an amenable number.

3640612 is a deficient number, since it is larger than the sum of its proper divisors (2768504).

3640612 is a wasteful number, since it uses less digits than its factorization.

3640612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3640612 is about 1908.0387836729. The cubic root of 3640612 is about 153.8360542344.

The spelling of 3640612 in words is "three million, six hundred forty thousand, six hundred twelve".