3689404 has 6 divisors (see below), whose sum is σ = 6456464. Its totient is φ = 1844700.

The previous prime is 3689377. The next prime is 3689417. The reversal of 3689404 is 4049863.

It is a super-2 number, since 2×3689404² = 27223403750432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3689404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461172 + ... + 461179.

Almost surely, 2^3689404 is an apocalyptic number.

It is an amenable number.

3689404 is a deficient number, since it is larger than the sum of its proper divisors (2767060).

3689404 is a wasteful number, since it uses less digits than its factorization.

3689404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922355 (or 922353 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3689404 is about 1920.7821323617. The cubic root of 3689404 is about 154.5202509387.

The spelling of 3689404 in words is "three million, six hundred eighty-nine thousand, four hundred four".