3993684 has 48 divisors (see below), whose sum is σ = 9746688. Its totient is φ = 1271808.

The previous prime is 3993683. The next prime is 3993701. The reversal of 3993684 is 4863993.

3993684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993683) 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 15 ways as a sum of consecutive naturals, for example, 41124 + ... + 41220.

It is an arithmetic number, because the mean of its divisors is an integer number (203056).

Almost surely, 2^3993684 is an apocalyptic number.

It is an amenable number.

3993684 is an abundant number, since it is smaller than the sum of its proper divisors (5753004).

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

3993684 is a wasteful number, since it uses less digits than its factorization.

3993684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

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

The square root of 3993684 is about 1998.4203761972. The cubic root of 3993684 is about 158.6565109742.

The spelling of 3993684 in words is "three million, nine hundred ninety-three thousand, six hundred eighty-four".