3928755752 has 16 divisors (see below), whose sum is σ = 7487178900. Its totient is φ = 1932174720.

The previous prime is 3928755749. The next prime is 3928755763. The reversal of 3928755752 is 2575578293.

It can be written as a sum of positive squares in 2 ways, for example, as 2773707556 + 1155048196 = 52666^2 + 33986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3928755694 and 3928755703.

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 3 ways as a sum of consecutive naturals, for example, 4024877 + ... + 4025852.

Almost surely, 2^3928755752 is an apocalyptic number.

It is an amenable number.

3928755752 is a deficient number, since it is larger than the sum of its proper divisors (3558423148).

3928755752 is a wasteful number, since it uses less digits than its factorization.

3928755752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050796 (or 8050792 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 53.

The square root of 3928755752 is about 62679.7874278463. The cubic root of 3928755752 is about 1577.9201057452.

The spelling of 3928755752 in words is "three billion, nine hundred twenty-eight million, seven hundred fifty-five thousand, seven hundred fifty-two".