199998083 has 2 divisors, whose sum is σ = 199998084. Its totient is φ = 199998082.

The previous prime is 199998067. The next prime is 199998089. The reversal of 199998083 is 380899991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199998083 - 2⁴ = 199998067 is a prime.

It is not a weakly prime, because it can be changed into another prime (199998089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99999041 + 99999042.

It is an arithmetic number, because the mean of its divisors is an integer number (99999042).

Almost surely, 2^199998083 is an apocalyptic number.

199998083 is a deficient number, since it is larger than the sum of its proper divisors (1).

199998083 is an equidigital number, since it uses as much as digits as its factorization.

199998083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 56.

The square root of 199998083 is about 14142.0678473836. The cubic root of 199998083 is about 584.8016791893.

It can be divided in two parts, 19999 and 8083, that added together give a palindrome (28082).

The spelling of 199998083 in words is "one hundred ninety-nine million, nine hundred ninety-eight thousand, eighty-three".