3666808 has 16 divisors (see below), whose sum is σ = 6902280. Its totient is φ = 1826208.

The previous prime is 3666797. The next prime is 3666809. The reversal of 3666808 is 8086663.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666809) 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, 1710 + ... + 3202.

Almost surely, 2^3666808 is an apocalyptic number.

It is an amenable number.

3666808 is a deficient number, since it is larger than the sum of its proper divisors (3235472).

3666808 is a wasteful number, since it uses less digits than its factorization.

3666808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 3666808 is about 1914.8911196201. The cubic root of 3666808 is about 154.2041482115.

The spelling of 3666808 in words is "three million, six hundred sixty-six thousand, eight hundred eight".