198476099 has 2 divisors, whose sum is σ = 198476100. Its totient is φ = 198476098.

The previous prime is 198476081. The next prime is 198476101. The reversal of 198476099 is 990674891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198476099 - 2²⁴ = 181698883 is a prime.

Together with 198476101, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198476099.

It is not a weakly prime, because it can be changed into another prime (198476599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99238049 + 99238050.

It is an arithmetic number, because the mean of its divisors is an integer number (99238050).

Almost surely, 2^198476099 is an apocalyptic number.

198476099 is a deficient number, since it is larger than the sum of its proper divisors (1).

198476099 is an equidigital number, since it uses as much as digits as its factorization.

198476099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 198476099 is about 14088.1545633202. The cubic root of 198476099 is about 583.3144546453.

The spelling of 198476099 in words is "one hundred ninety-eight million, four hundred seventy-six thousand, ninety-nine".