3928083728 has 40 divisors (see below), whose sum is σ = 7678222848. Its totient is φ = 1946653952.

The previous prime is 3928083707. The next prime is 3928083737. The reversal of 3928083728 is 8273808293.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153825 + ... + 2155647.

Almost surely, 2^3928083728 is an apocalyptic number.

It is an amenable number.

3928083728 is a deficient number, since it is larger than the sum of its proper divisors (3750139120).

3928083728 is a wasteful number, since it uses less digits than its factorization.

3928083728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3928083728 is about 62674.4264273715. The cubic root of 3928083728 is about 1577.8301314874.

The spelling of 3928083728 in words is "three billion, nine hundred twenty-eight million, eighty-three thousand, seven hundred twenty-eight".