3996881696 has 24 divisors (see below), whose sum is σ = 8331736140. Its totient is φ = 1880885248.

The previous prime is 3996881627. The next prime is 3996881699. The reversal of 3996881696 is 6961886993.

3996881696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3971520400 + 25361296 = 63020^2 + 5036^2 .

It is not an unprimeable number, because it can be changed into a prime (3996881699) 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, 3673061 + ... + 3674148.

Almost surely, 2^3996881696 is an apocalyptic number.

It is an amenable number.

3996881696 is an abundant number, since it is smaller than the sum of its proper divisors (4334854444).

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

3996881696 is a wasteful number, since it uses less digits than its factorization.

3996881696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347236 (or 7347228 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 65.

The square root of 3996881696 is about 63220.8960392053. The cubic root of 3996881696 is about 1586.9884448092.

The spelling of 3996881696 in words is "three billion, nine hundred ninety-six million, eight hundred eighty-one thousand, six hundred ninety-six".