3640604 has 24 divisors (see below), whose sum is σ = 7030128. Its totient is φ = 1635840.

The previous prime is 3640597. The next prime is 3640633. The reversal of 3640604 is 4060463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3842 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (292922).

Almost surely, 2^3640604 is an apocalyptic number.

It is an amenable number.

3640604 is a deficient number, since it is larger than the sum of its proper divisors (3389524).

3640604 is a wasteful number, since it uses less digits than its factorization.

3640604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3640604 is about 1908.0366872783. The cubic root of 3640604 is about 153.8359415529.

The spelling of 3640604 in words is "three million, six hundred forty thousand, six hundred four".