3938684 has 12 divisors (see below), whose sum is σ = 6939408. Its totient is φ = 1956000.

The previous prime is 3938657. The next prime is 3938699. The reversal of 3938684 is 4868393.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (578284).

Almost surely, 2^3938684 is an apocalyptic number.

It is an amenable number.

3938684 is a deficient number, since it is larger than the sum of its proper divisors (3000724).

3938684 is a wasteful number, since it uses less digits than its factorization.

3938684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676 (or 6674 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 3938684 is about 1984.6118008316. The cubic root of 3938684 is about 157.9248160161.

The spelling of 3938684 in words is "three million, nine hundred thirty-eight thousand, six hundred eighty-four".