3949879952 has 40 divisors (see below), whose sum is σ = 7776234432. Its totient is φ = 1943222400.

The previous prime is 3949879951. The next prime is 3949879963. The reversal of 3949879952 is 2599789493.

3949879952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3949879951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611363 + ... + 617789.

Almost surely, 2^3949879952 is an apocalyptic number.

It is an amenable number.

3949879952 is a deficient number, since it is larger than the sum of its proper divisors (3826354480).

3949879952 is a wasteful number, since it uses less digits than its factorization.

3949879952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047 (or 7041 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 65.

The square root of 3949879952 is about 62848.0703920176. The cubic root of 3949879952 is about 1580.7431146277.

The spelling of 3949879952 in words is "three billion, nine hundred forty-nine million, eight hundred seventy-nine thousand, nine hundred fifty-two".