3985928744 has 16 divisors (see below), whose sum is σ = 8541276000. Its totient is φ = 1708255152.

The previous prime is 3985928689. The next prime is 3985928789. The reversal of 3985928744 is 4478295893.

It is a happy number.

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, 35588594 + ... + 35588705.

It is an arithmetic number, because the mean of its divisors is an integer number (533829750).

Almost surely, 2^3985928744 is an apocalyptic number.

It is an amenable number.

3985928744 is an abundant number, since it is smaller than the sum of its proper divisors (4555347256).

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

3985928744 is a wasteful number, since it uses less digits than its factorization.

3985928744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71177312 (or 71177308 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The square root of 3985928744 is about 63134.2121515744. The cubic root of 3985928744 is about 1585.5374711319.

The spelling of 3985928744 in words is "three billion, nine hundred eighty-five million, nine hundred twenty-eight thousand, seven hundred forty-four".