198460319 has 2 divisors, whose sum is σ = 198460320. Its totient is φ = 198460318.

The previous prime is 198460291. The next prime is 198460337. The reversal of 198460319 is 913064891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198460319 - 2¹⁶ = 198394783 is a prime.

It is a super-4 number, since 4×198460319⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198460349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99230159 + 99230160.

It is an arithmetic number, because the mean of its divisors is an integer number (99230160).

Almost surely, 2^198460319 is an apocalyptic number.

198460319 is a deficient number, since it is larger than the sum of its proper divisors (1).

198460319 is an equidigital number, since it uses as much as digits as its factorization.

198460319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 198460319 is about 14087.5945072251. The cubic root of 198460319 is about 583.2989952758.

The spelling of 198460319 in words is "one hundred ninety-eight million, four hundred sixty thousand, three hundred nineteen".