198038299 has 2 divisors, whose sum is σ = 198038300. Its totient is φ = 198038298.

The previous prime is 198038297. The next prime is 198038353. The reversal of 198038299 is 992830891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198038299 - 2¹ = 198038297 is a prime.

Together with 198038297, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198038297) 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, 99019149 + 99019150.

It is an arithmetic number, because the mean of its divisors is an integer number (99019150).

Almost surely, 2^198038299 is an apocalyptic number.

198038299 is a deficient number, since it is larger than the sum of its proper divisors (1).

198038299 is an equidigital number, since it uses as much as digits as its factorization.

198038299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 198038299 is about 14072.6081093733. The cubic root of 198038299 is about 582.8852458398.

The spelling of 198038299 in words is "one hundred ninety-eight million, thirty-eight thousand, two hundred ninety-nine".