3686695 has 4 divisors (see below), whose sum is σ = 4424040. Its totient is φ = 2949352.

The previous prime is 3686677. The next prime is 3686701. The reversal of 3686695 is 5966863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5966863 = 7 ⋅852409.

It is a cyclic number.

It is not a de Polignac number, because 3686695 - 2⁵ = 3686663 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6³ + 8³ + 6⁶ + 6⁸ + 9 + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368665 + ... + 368674.

It is an arithmetic number, because the mean of its divisors is an integer number (1106010).

Almost surely, 2^3686695 is an apocalyptic number.

3686695 is a deficient number, since it is larger than the sum of its proper divisors (737345).

3686695 is an equidigital number, since it uses as much as digits as its factorization.

3686695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737344.

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

The square root of 3686695 is about 1920.0768213798. The cubic root of 3686695 is about 154.4824220776.

The spelling of 3686695 in words is "three million, six hundred eighty-six thousand, six hundred ninety-five".