198042267 has 4 divisors (see below), whose sum is σ = 264056360. Its totient is φ = 132028176.

The previous prime is 198042239. The next prime is 198042277. The reversal of 198042267 is 762240891.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 198042267 - 2⁶ = 198042203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198042227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33007042 + ... + 33007047.

It is an arithmetic number, because the mean of its divisors is an integer number (66014090).

Almost surely, 2^198042267 is an apocalyptic number.

198042267 is a deficient number, since it is larger than the sum of its proper divisors (66014093).

198042267 is an equidigital number, since it uses as much as digits as its factorization.

198042267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66014092.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 198042267 is about 14072.7490917731. The cubic root of 198042267 is about 582.8891388128.

The spelling of 198042267 in words is "one hundred ninety-eight million, forty-two thousand, two hundred sixty-seven".