3697686 has 12 divisors (see below), whose sum is σ = 8011692. Its totient is φ = 1232556.

The previous prime is 3697657. The next prime is 3697691. The reversal of 3697686 is 6867963.

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 5 ways as a sum of consecutive naturals, for example, 102696 + ... + 102731.

It is an arithmetic number, because the mean of its divisors is an integer number (667641).

Almost surely, 2^3697686 is an apocalyptic number.

3697686 is an abundant number, since it is smaller than the sum of its proper divisors (4314006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3697686 is a wasteful number, since it uses less digits than its factorization.

3697686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205435 (or 205432 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3697686 is about 1922.9368164347. The cubic root of 3697686 is about 154.6357872443.

The spelling of 3697686 in words is "three million, six hundred ninety-seven thousand, six hundred eighty-six".