998275199 has 2 divisors, whose sum is σ = 998275200. Its totient is φ = 998275198.

The previous prime is 998275189. The next prime is 998275211. The reversal of 998275199 is 991572899.

It is a weak prime.

It is an emirp because it is prime and its reverse (991572899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998275199 - 2⁴ = 998275183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998275129) 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, 499137599 + 499137600.

It is an arithmetic number, because the mean of its divisors is an integer number (499137600).

Almost surely, 2^998275199 is an apocalyptic number.

998275199 is a deficient number, since it is larger than the sum of its proper divisors (1).

998275199 is an equidigital number, since it uses as much as digits as its factorization.

998275199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 59.

The square root of 998275199 is about 31595.4933337019. The cubic root of 998275199 is about 999.4247354675.

The spelling of 998275199 in words is "nine hundred ninety-eight million, two hundred seventy-five thousand, one hundred ninety-nine".