198946301 has 2 divisors, whose sum is σ = 198946302. Its totient is φ = 198946300.

The previous prime is 198946273. The next prime is 198946303. The reversal of 198946301 is 103649891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196840900 + 2105401 = 14030^2 + 1451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198946301 is a prime.

It is a Sophie Germain prime.

Together with 198946303, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198946303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99473150 + 99473151.

It is an arithmetic number, because the mean of its divisors is an integer number (99473151).

Almost surely, 2^198946301 is an apocalyptic number.

It is an amenable number.

198946301 is a deficient number, since it is larger than the sum of its proper divisors (1).

198946301 is an equidigital number, since it uses as much as digits as its factorization.

198946301 is an odious number, because the sum of its binary digits is odd.

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

The square root of 198946301 is about 14104.8325406578. The cubic root of 198946301 is about 583.7747272210.

The spelling of 198946301 in words is "one hundred ninety-eight million, nine hundred forty-six thousand, three hundred one".