3992397901 has 2 divisors, whose sum is σ = 3992397902. Its totient is φ = 3992397900.

The previous prime is 3992397883. The next prime is 3992397917. The reversal of 3992397901 is 1097932993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2584197225 + 1408200676 = 50835^2 + 37526^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992397901 - 2¹⁷ = 3992266829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3992397991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996198950 + 1996198951.

It is an arithmetic number, because the mean of its divisors is an integer number (1996198951).

Almost surely, 2^3992397901 is an apocalyptic number.

It is an amenable number.

3992397901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992397901 is an equidigital number, since it uses as much as digits as its factorization.

3992397901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 3992397901 is about 63185.4247512826. The cubic root of 3992397901 is about 1586.3947825563.

The spelling of 3992397901 in words is "three billion, nine hundred ninety-two million, three hundred ninety-seven thousand, nine hundred one".