3686836 has 24 divisors (see below), whose sum is σ = 6860000. Its totient is φ = 1728864.

The previous prime is 3686833. The next prime is 3686849. The reversal of 3686836 is 6386863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686833) 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, 10390 + ... + 10738.

Almost surely, 2^3686836 is an apocalyptic number.

It is an amenable number.

3686836 is a deficient number, since it is larger than the sum of its proper divisors (3173164).

3686836 is a wasteful number, since it uses less digits than its factorization.

3686836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3686836 is about 1920.1135383096. The cubic root of 3686836 is about 154.4843914787.

The spelling of 3686836 in words is "three million, six hundred eighty-six thousand, eight hundred thirty-six".