198058319 has 2 divisors, whose sum is σ = 198058320. Its totient is φ = 198058318.

The previous prime is 198058303. The next prime is 198058351. The reversal of 198058319 is 913850891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198058319 - 2⁴ = 198058303 is a prime.

It is a super-2 number, since 2×198058319² = 78454195450211522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_10977299 and since 198058319 and 10977299 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198058319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198058369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99029159 + 99029160.

It is an arithmetic number, because the mean of its divisors is an integer number (99029160).

Almost surely, 2^198058319 is an apocalyptic number.

198058319 is a deficient number, since it is larger than the sum of its proper divisors (1).

198058319 is an equidigital number, since it uses as much as digits as its factorization.

198058319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 198058319 is about 14073.3194023301. The cubic root of 198058319 is about 582.9048867704.

The spelling of 198058319 in words is "one hundred ninety-eight million, fifty-eight thousand, three hundred nineteen".