3688318 has 24 divisors (see below), whose sum is σ = 6077160. Its totient is φ = 1674000.

The previous prime is 3688313. The next prime is 3688331. The reversal of 3688318 is 8138863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36468 + ... + 36568.

It is an arithmetic number, because the mean of its divisors is an integer number (253215).

Almost surely, 2^3688318 is an apocalyptic number.

3688318 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3688318 is a deficient number, since it is larger than the sum of its proper divisors (2388842).

3688318 is a wasteful number, since it uses less digits than its factorization.

3688318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 153 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 3688318 is about 1920.4994142150. The cubic root of 3688318 is about 154.5050881048.

The spelling of 3688318 in words is "three million, six hundred eighty-eight thousand, three hundred eighteen".