3318668 has 12 divisors (see below), whose sum is σ = 5834640. Its totient is φ = 1651632.

The previous prime is 3318631. The next prime is 3318671. The reversal of 3318668 is 8668133.

It is a happy number.

It is a super-2 number, since 2×3318668² = 22027114588448, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (486220).

Almost surely, 2^3318668 is an apocalyptic number.

It is an amenable number.

3318668 is a deficient number, since it is larger than the sum of its proper divisors (2515972).

3318668 is a wasteful number, since it uses less digits than its factorization.

3318668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856 (or 3854 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 3318668 is about 1821.7211641741. The cubic root of 3318668 is about 149.1607651747.

The spelling of 3318668 in words is "three million, three hundred eighteen thousand, six hundred sixty-eight".