199204207 has 2 divisors, whose sum is σ = 199204208. Its totient is φ = 199204206.

The previous prime is 199204193. The next prime is 199204231. The reversal of 199204207 is 702402991.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199204207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199201207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99602103 + 99602104.

It is an arithmetic number, because the mean of its divisors is an integer number (99602104).

Almost surely, 2^199204207 is an apocalyptic number.

199204207 is a deficient number, since it is larger than the sum of its proper divisors (1).

199204207 is an equidigital number, since it uses as much as digits as its factorization.

199204207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 199204207 is about 14113.9720490017. The cubic root of 199204207 is about 584.0268790015.

The spelling of 199204207 in words is "one hundred ninety-nine million, two hundred four thousand, two hundred seven".