3686394 has 16 divisors (see below), whose sum is σ = 7693632. Its totient is φ = 1175328.

The previous prime is 3686387. The next prime is 3686401. The reversal of 3686394 is 4936863.

It is an interprime number because it is at equal distance from previous prime (3686387) and next prime (3686401).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13219 + ... + 13494.

It is an arithmetic number, because the mean of its divisors is an integer number (480852).

Almost surely, 2^3686394 is an apocalyptic number.

3686394 is an abundant number, since it is smaller than the sum of its proper divisors (4007238).

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

3686394 is a wasteful number, since it uses less digits than its factorization.

3686394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26741.

The product of its digits is 93312, while the sum is 39.

The square root of 3686394 is about 1919.9984374994. The cubic root of 3686394 is about 154.4782177270.

The spelling of 3686394 in words is "three million, six hundred eighty-six thousand, three hundred ninety-four".