3686965 has 8 divisors (see below), whose sum is σ = 4436640. Its totient is φ = 2941392.

The previous prime is 3686957. The next prime is 3686971. The reversal of 3686965 is 5696863.

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 3686965 - 2³ = 3686957 is a prime.

It is a super-2 number, since 2×3686965² = 27187421822450, which contains 22 as substring.

3686965 is a lucky 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, 1546 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (554580).

Almost surely, 2^3686965 is an apocalyptic number.

It is an amenable number.

3686965 is a deficient number, since it is larger than the sum of its proper divisors (749675).

3686965 is a wasteful number, since it uses less digits than its factorization.

3686965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its digits is 233280, while the sum is 43.

The square root of 3686965 is about 1920.1471297794. The cubic root of 3686965 is about 154.4861932272.

The spelling of 3686965 in words is "three million, six hundred eighty-six thousand, nine hundred sixty-five".