3992899 has 2 divisors, whose sum is σ = 3992900. Its totient is φ = 3992898.

The previous prime is 3992887. The next prime is 3992903. The reversal of 3992899 is 9982993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3992899 - 2⁷ = 3992771 is a prime.

It is not a weakly prime, because it can be changed into another prime (3992099) by changing a digit.

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 as a sum of consecutive naturals, namely, 1996449 + 1996450.

It is an arithmetic number, because the mean of its divisors is an integer number (1996450).

Almost surely, 2^3992899 is an apocalyptic number.

3992899 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992899 is an equidigital number, since it uses as much as digits as its factorization.

3992899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 3992899 is about 1998.2239614217. The cubic root of 3992899 is about 158.6461150990.

The spelling of 3992899 in words is "three million, nine hundred ninety-two thousand, eight hundred ninety-nine".