198962207 has 2 divisors, whose sum is σ = 198962208. Its totient is φ = 198962206.

The previous prime is 198962191. The next prime is 198962221. The reversal of 198962207 is 702269891.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (702269891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198962207 - 2⁴ = 198962191 is a 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 (198962107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99481103 + 99481104.

It is an arithmetic number, because the mean of its divisors is an integer number (99481104).

Almost surely, 2^198962207 is an apocalyptic number.

198962207 is a deficient number, since it is larger than the sum of its proper divisors (1).

198962207 is an equidigital number, since it uses as much as digits as its factorization.

198962207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 198962207 is about 14105.3963786914. The cubic root of 198962207 is about 583.7902846408.

The spelling of 198962207 in words is "one hundred ninety-eight million, nine hundred sixty-two thousand, two hundred seven".