3686885 has 8 divisors (see below), whose sum is σ = 4467840. Its totient is φ = 2920464.

The previous prime is 3686867. The next prime is 3686927. The reversal of 3686885 is 5886863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3686885 - 2⁸ = 3686629 is a prime.

It is a Curzon number.

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, 3065 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (558480).

Almost surely, 2^3686885 is an apocalyptic number.

It is an amenable number.

3686885 is a deficient number, since it is larger than the sum of its proper divisors (780955).

3686885 is a wasteful number, since it uses less digits than its factorization.

3686885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267.

The product of its digits is 276480, while the sum is 44.

The square root of 3686885 is about 1920.1262979294. The cubic root of 3686885 is about 154.4850758688.

The spelling of 3686885 in words is "three million, six hundred eighty-six thousand, eight hundred eighty-five".