3556664 has 16 divisors (see below), whose sum is σ = 6691200. Its totient is φ = 1772352.

The previous prime is 3556649. The next prime is 3556669. The reversal of 3556664 is 4666553.

3556664 is digitally balanced in base 5, 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 (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (418200).

Almost surely, 2^3556664 is an apocalyptic number.

It is an amenable number.

3556664 is a deficient number, since it is larger than the sum of its proper divisors (3134536).

3556664 is a wasteful number, since it uses less digits than its factorization.

3556664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1498 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 3556664 is about 1885.9119809790. The cubic root of 3556664 is about 152.6444246777.

The spelling of 3556664 in words is "three million, five hundred fifty-six thousand, six hundred sixty-four".