3983139816 has 64 divisors (see below), whose sum is σ = 10545984000. Its totient is φ = 1251019968.

The previous prime is 3983139779. The next prime is 3983139887. The reversal of 3983139816 is 6189313893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16866 + ... + 90833.

It is an arithmetic number, because the mean of its divisors is an integer number (164781000).

Almost surely, 2^3983139816 is an apocalyptic number.

It is an amenable number.

3983139816 is an abundant number, since it is smaller than the sum of its proper divisors (6562844184).

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

3983139816 is a wasteful number, since it uses less digits than its factorization.

3983139816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107798 (or 107794 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 3983139816 is about 63112.1209911377. The cubic root of 3983139816 is about 1585.1675881536.

The spelling of 3983139816 in words is "three billion, nine hundred eighty-three million, one hundred thirty-nine thousand, eight hundred sixteen".