198214699 has 2 divisors, whose sum is σ = 198214700. Its totient is φ = 198214698.

The previous prime is 198214657. The next prime is 198214717. The reversal of 198214699 is 996412891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198214699 - 2⁹ = 198214187 is a prime.

It is not a weakly prime, because it can be changed into another prime (198214619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99107349 + 99107350.

It is an arithmetic number, because the mean of its divisors is an integer number (99107350).

Almost surely, 2^198214699 is an apocalyptic number.

198214699 is a deficient number, since it is larger than the sum of its proper divisors (1).

198214699 is an equidigital number, since it uses as much as digits as its factorization.

198214699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 198214699 is about 14078.8742092541. The cubic root of 198214699 is about 583.0582602587.

The spelling of 198214699 in words is "one hundred ninety-eight million, two hundred fourteen thousand, six hundred ninety-nine".