3318686 has 16 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 1414584.

The previous prime is 3318683. The next prime is 3318703. The reversal of 3318686 is 6868133.

It is a happy number.

It is a super-2 number, since 2×3318686² = 22027353533192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591 + ... + 3653.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^3318686 is an apocalyptic number.

3318686 is a deficient number, since it is larger than the sum of its proper divisors (2401378).

3318686 is a wasteful number, since it uses less digits than its factorization.

3318686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

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

The square root of 3318686 is about 1821.7261045503. The cubic root of 3318686 is about 149.1610348501.

It can be divided in two parts, 3318 and 686, that added together give a palindrome (4004).

The spelling of 3318686 in words is "three million, three hundred eighteen thousand, six hundred eighty-six".