3936461668 has 12 divisors (see below), whose sum is σ = 6957014652. Its totient is φ = 1948743200.

The previous prime is 3936461603. The next prime is 3936461777. The reversal of 3936461668 is 8661646393.

It can be written as a sum of positive squares in 2 ways, for example, as 3270924864 + 665536804 = 57192^2 + 25798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871455 + ... + 4872262.

It is an arithmetic number, because the mean of its divisors is an integer number (579751221).

Almost surely, 2^3936461668 is an apocalyptic number.

It is an amenable number.

3936461668 is a deficient number, since it is larger than the sum of its proper divisors (3020552984).

3936461668 is a wasteful number, since it uses less digits than its factorization.

3936461668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743822 (or 9743820 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 52.

The square root of 3936461668 is about 62741.2278171220. The cubic root of 3936461668 is about 1578.9510834379.

The spelling of 3936461668 in words is "three billion, nine hundred thirty-six million, four hundred sixty-one thousand, six hundred sixty-eight".