3686508 has 36 divisors (see below), whose sum is σ = 10650640. Its totient is φ = 1053216.

The previous prime is 3686503. The next prime is 3686531. The reversal of 3686508 is 8056863.

3686508 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3686503) 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, 7063 + ... + 7566.

Almost surely, 2^3686508 is an apocalyptic number.

It is an amenable number.

3686508 is an abundant number, since it is smaller than the sum of its proper divisors (6964132).

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

3686508 is a wasteful number, since it uses less digits than its factorization.

3686508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646 (or 14641 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3686508 is about 1920.0281247940. The cubic root of 3686508 is about 154.4798100993.

The spelling of 3686508 in words is "three million, six hundred eighty-six thousand, five hundred eight".