3959844936 has 16 divisors (see below), whose sum is σ = 9899612400. Its totient is φ = 1319948304.

The previous prime is 3959844919. The next prime is 3959844937. The reversal of 3959844936 is 6394489593.

It is a self number, because there is not a number n which added to its sum of digits gives 3959844936.

It is not an unprimeable number, because it can be changed into a prime (3959844937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82496746 + ... + 82496793.

It is an arithmetic number, because the mean of its divisors is an integer number (618725775).

Almost surely, 2^3959844936 is an apocalyptic number.

It is an amenable number.

3959844936 is an abundant number, since it is smaller than the sum of its proper divisors (5939767464).

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

3959844936 is a wasteful number, since it uses less digits than its factorization.

3959844936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164993548 (or 164993544 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 60.

The square root of 3959844936 is about 62927.2988137899. The cubic root of 3959844936 is about 1582.0713281280.

The spelling of 3959844936 in words is "three billion, nine hundred fifty-nine million, eight hundred forty-four thousand, nine hundred thirty-six".