3936640312 has 16 divisors (see below), whose sum is σ = 8052219000. Its totient is φ = 1789381920.

The previous prime is 3936640247. The next prime is 3936640313. The reversal of 3936640312 is 2130466393.

3936640312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936640313) 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, 22367187 + ... + 22367362.

Almost surely, 2^3936640312 is an apocalyptic number.

It is an amenable number.

3936640312 is an abundant number, since it is smaller than the sum of its proper divisors (4115578688).

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

3936640312 is a wasteful number, since it uses less digits than its factorization.

3936640312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44734566 (or 44734562 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 3936640312 is about 62742.6514581588. The cubic root of 3936640312 is about 1578.9749683286.

The spelling of 3936640312 in words is "three billion, nine hundred thirty-six million, six hundred forty thousand, three hundred twelve".