3687323328 has 84 divisors (see below), whose sum is σ = 11382073248. Its totient is φ = 1134558720.

The previous prime is 3687323323. The next prime is 3687323333. The reversal of 3687323328 is 8233237863.

It is an interprime number because it is at equal distance from previous prime (3687323323) and next prime (3687323333).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687323323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238728 + ... + 253703.

It is an arithmetic number, because the mean of its divisors is an integer number (135500872).

Almost surely, 2^3687323328 is an apocalyptic number.

It is an amenable number.

3687323328 is an abundant number, since it is smaller than the sum of its proper divisors (7694749920).

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

3687323328 is a wasteful number, since it uses less digits than its factorization.

3687323328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492462 (or 492449 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 3687323328 is about 60723.3342958043. The cubic root of 3687323328 is about 1544.9119778929.

The spelling of 3687323328 in words is "three billion, six hundred eighty-seven million, three hundred twenty-three thousand, three hundred twenty-eight".