3689394 has 16 divisors (see below), whose sum is σ = 7409280. Its totient is φ = 1224720.

The previous prime is 3689377. The next prime is 3689417. The reversal of 3689394 is 4939863.

3689394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3689394² = 27223256174472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 2760.

It is an arithmetic number, because the mean of its divisors is an integer number (463080).

Almost surely, 2^3689394 is an apocalyptic number.

3689394 is an abundant number, since it is smaller than the sum of its proper divisors (3719886).

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

3689394 is a wasteful number, since it uses less digits than its factorization.

3689394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its digits is 139968, while the sum is 42.

The square root of 3689394 is about 1920.7795292537. The cubic root of 3689394 is about 154.5201113314.

The spelling of 3689394 in words is "three million, six hundred eighty-nine thousand, three hundred ninety-four".