3974831999 has 16 divisors (see below), whose sum is σ = 4247860320. Its totient is φ = 3706260480.

The previous prime is 3974831983. The next prime is 3974832007. The reversal of 3974831999 is 9991384793.

It is a cyclic number.

It is not a de Polignac number, because 3974831999 - 2⁴ = 3974831983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974831929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845107 + ... + 1847259.

It is an arithmetic number, because the mean of its divisors is an integer number (265491270).

Almost surely, 2^3974831999 is an apocalyptic number.

3974831999 is a deficient number, since it is larger than the sum of its proper divisors (273028321).

3974831999 is a wasteful number, since it uses less digits than its factorization.

3974831999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its digits is 13226976, while the sum is 62.

The square root of 3974831999 is about 63046.2687159201. The cubic root of 3974831999 is about 1584.0647355135.

The spelling of 3974831999 in words is "three billion, nine hundred seventy-four million, eight hundred thirty-one thousand, nine hundred ninety-nine".