3686630 has 16 divisors (see below), whose sum is σ = 6677424. Its totient is φ = 1465440.

The previous prime is 3686629. The next prime is 3686651. The reversal of 3686630 is 366863.

It is a happy number.

3686630 is nontrivially palindromic in base 11.

It is a congruent number.

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, 665 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (417339).

Almost surely, 2^3686630 is an apocalyptic number.

3686630 is a deficient number, since it is larger than the sum of its proper divisors (2990794).

3686630 is a wasteful number, since it uses less digits than its factorization.

3686630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3686630 is about 1920.0598948991. The cubic root of 3686630 is about 154.4815141807.

The spelling of 3686630 in words is "three million, six hundred eighty-six thousand, six hundred thirty".