3928393983 has 16 divisors (see below), whose sum is σ = 5548870656. Its totient is φ = 2463584640.

The previous prime is 3928393919. The next prime is 3928393993. The reversal of 3928393983 is 3893938293.

It is not a de Polignac number, because 3928393983 - 2⁶ = 3928393919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928393913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83410 + ... + 121712.

It is an arithmetic number, because the mean of its divisors is an integer number (346804416).

Almost surely, 2^3928393983 is an apocalyptic number.

3928393983 is a deficient number, since it is larger than the sum of its proper divisors (1620476673).

3928393983 is a wasteful number, since it uses less digits than its factorization.

3928393983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40334.

The product of its digits is 7558272, while the sum is 57.

The square root of 3928393983 is about 62676.9015108437. The cubic root of 3928393983 is about 1577.8716714030.

The spelling of 3928393983 in words is "three billion, nine hundred twenty-eight million, three hundred ninety-three thousand, nine hundred eighty-three".