3928971794 has 16 divisors (see below), whose sum is σ = 6650925120. Its totient is φ = 1724313360.

The previous prime is 3928971773. The next prime is 3928971797. The reversal of 3928971794 is 4971798293.

3928971794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3928971797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078494 + ... + 3079769.

It is an arithmetic number, because the mean of its divisors is an integer number (415682820).

Almost surely, 2^3928971794 is an apocalyptic number.

3928971794 is a deficient number, since it is larger than the sum of its proper divisors (2721953326).

3928971794 is a wasteful number, since it uses less digits than its factorization.

3928971794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158305.

The product of its digits is 6858432, while the sum is 59.

The square root of 3928971794 is about 62681.5107826861. The cubic root of 3928971794 is about 1577.9490284532.

The spelling of 3928971794 in words is "three billion, nine hundred twenty-eight million, nine hundred seventy-one thousand, seven hundred ninety-four".