3694689 has 12 divisors (see below), whose sum is σ = 5461456. Its totient is φ = 2405592.

The previous prime is 3694679. The next prime is 3694693. The reversal of 3694689 is 9864963.

It is not a de Polignac number, because 3694689 - 2⁸ = 3694433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3694609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4387 + ... + 5160.

Almost surely, 2^3694689 is an apocalyptic number.

It is an amenable number.

3694689 is a deficient number, since it is larger than the sum of its proper divisors (1766767).

3694689 is a wasteful number, since it uses less digits than its factorization.

3694689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596 (or 9593 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3694689 is about 1922.1573816938. The cubic root of 3694689 is about 154.5939981615.

The spelling of 3694689 in words is "three million, six hundred ninety-four thousand, six hundred eighty-nine".