198331147 has 8 divisors (see below), whose sum is σ = 229001696. Its totient is φ = 168244992.

The previous prime is 198331127. The next prime is 198331151. The reversal of 198331147 is 741133891.

198331147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198331147 - 2⁷ = 198331019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198331127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145368 + ... + 146725.

It is an arithmetic number, because the mean of its divisors is an integer number (28625212).

Almost surely, 2^198331147 is an apocalyptic number.

198331147 is a deficient number, since it is larger than the sum of its proper divisors (30670549).

198331147 is an equidigital number, since it uses as much as digits as its factorization.

198331147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292197.

The product of its digits is 18144, while the sum is 37.

The square root of 198331147 is about 14083.0091599771. The cubic root of 198331147 is about 583.1724170746.

The spelling of 198331147 in words is "one hundred ninety-eight million, three hundred thirty-one thousand, one hundred forty-seven".