3685684 has 12 divisors (see below), whose sum is σ = 6477408. Its totient is φ = 1835000.

The previous prime is 3685663. The next prime is 3685687. The reversal of 3685684 is 4865863.

3685684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 832 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (539784).

Almost surely, 2^3685684 is an apocalyptic number.

It is an amenable number.

3685684 is a deficient number, since it is larger than the sum of its proper divisors (2791724).

3685684 is a wasteful number, since it uses less digits than its factorization.

3685684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3924 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 3685684 is about 1919.8135326120. The cubic root of 3685684 is about 154.4682995815.

The spelling of 3685684 in words is "three million, six hundred eighty-five thousand, six hundred eighty-four".