3939924 has 12 divisors (see below), whose sum is σ = 9193184. Its totient is φ = 1313304.

The previous prime is 3939919. The next prime is 3939931. The reversal of 3939924 is 4299393.

3939924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3939924² = 31046002251552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 164152 + ... + 164175.

Almost surely, 2^3939924 is an apocalyptic number.

It is an amenable number.

3939924 is an abundant number, since it is smaller than the sum of its proper divisors (5253260).

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

3939924 is a wasteful number, since it uses less digits than its factorization.

3939924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328334 (or 328332 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 3939924 is about 1984.9241799122. The cubic root of 3939924 is about 157.9413872215.

The spelling of 3939924 in words is "three million, nine hundred thirty-nine thousand, nine hundred twenty-four".