3640616 has 16 divisors (see below), whose sum is σ = 7801440. Its totient is φ = 1560240.

The previous prime is 3640597. The next prime is 3640633. The reversal of 3640616 is 6160463.

3640616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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, 32450 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (487590).

Almost surely, 2^3640616 is an apocalyptic number.

It is an amenable number.

3640616 is an abundant number, since it is smaller than the sum of its proper divisors (4160824).

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

3640616 is a wasteful number, since it uses less digits than its factorization.

3640616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65024 (or 65020 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3640616 is about 1908.0398318693. The cubic root of 3640616 is about 153.8361105751.

The spelling of 3640616 in words is "three million, six hundred forty thousand, six hundred sixteen".