3318665 has 8 divisors (see below), whose sum is σ = 4551360. Its totient is φ = 2275632.

The previous prime is 3318631. The next prime is 3318671. The reversal of 3318665 is 5668133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3318665 - 2⁸ = 3318409 is a prime.

It is a super-2 number, since 2×3318665² = 22027074764450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47375 + ... + 47444.

It is an arithmetic number, because the mean of its divisors is an integer number (568920).

Almost surely, 2^3318665 is an apocalyptic number.

3318665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3318665 is a deficient number, since it is larger than the sum of its proper divisors (1232695).

3318665 is an equidigital number, since it uses as much as digits as its factorization.

3318665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94831.

The product of its digits is 12960, while the sum is 32.

The square root of 3318665 is about 1821.7203407768. The cubic root of 3318665 is about 149.1607202287.

The spelling of 3318665 in words is "three million, three hundred eighteen thousand, six hundred sixty-five".