3949684 has 24 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 1878240.

The previous prime is 3949669. The next prime is 3949703. The reversal of 3949684 is 4869493.

It is a self number, because there is not a number n which added to its sum of digits gives 3949684.

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, 8949 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3949684 is an apocalyptic number.

It is an amenable number.

3949684 is a deficient number, since it is larger than the sum of its proper divisors (3307916).

3949684 is a wasteful number, since it uses less digits than its factorization.

3949684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3949684 is about 1987.3811914175. The cubic root of 3949684 is about 158.0716974179.

The spelling of 3949684 in words is "three million, nine hundred forty-nine thousand, six hundred eighty-four".