3928392842 has 16 divisors (see below), whose sum is σ = 6766610400. Its totient is φ = 1691652240.

The previous prime is 3928392791. The next prime is 3928392857. The reversal of 3928392842 is 2482938293.

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, 4698617 + ... + 4699452.

It is an arithmetic number, because the mean of its divisors is an integer number (422913150).

Almost surely, 2^3928392842 is an apocalyptic number.

3928392842 is a deficient number, since it is larger than the sum of its proper divisors (2838217558).

3928392842 is a wasteful number, since it uses less digits than its factorization.

3928392842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398101.

The product of its digits is 1492992, while the sum is 50.

The square root of 3928392842 is about 62676.8924086062. The cubic root of 3928392842 is about 1577.8715186390.

The spelling of 3928392842 in words is "three billion, nine hundred twenty-eight million, three hundred ninety-two thousand, eight hundred forty-two".