3684666 has 16 divisors (see below), whose sum is σ = 7509024. Its totient is φ = 1204944.

The previous prime is 3684647. The next prime is 3684671. The reversal of 3684666 is 6664863.

3684666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5476 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (469314).

Almost surely, 2^3684666 is an apocalyptic number.

3684666 is an abundant number, since it is smaller than the sum of its proper divisors (3824358).

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

3684666 is a wasteful number, since it uses less digits than its factorization.

3684666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645.

The product of its digits is 124416, while the sum is 39.

The square root of 3684666 is about 1919.5483843863. The cubic root of 3684666 is about 154.4540766938.

The spelling of 3684666 in words is "three million, six hundred eighty-four thousand, six hundred sixty-six".