198383271 has 8 divisors (see below), whose sum is σ = 266594304. Its totient is φ = 131213880.

The previous prime is 198383249. The next prime is 198383281. The reversal of 198383271 is 172383891.

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

It is a de Polignac number, because none of the positive numbers 2^k-198383271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198383201) 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, 259965 + ... + 260726.

It is an arithmetic number, because the mean of its divisors is an integer number (33324288).

Almost surely, 2^198383271 is an apocalyptic number.

198383271 is a deficient number, since it is larger than the sum of its proper divisors (68211033).

198383271 is a wasteful number, since it uses less digits than its factorization.

198383271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520821.

The product of its digits is 72576, while the sum is 42.

The square root of 198383271 is about 14084.8596372133. The cubic root of 198383271 is about 583.2235010269.

The spelling of 198383271 in words is "one hundred ninety-eight million, three hundred eighty-three thousand, two hundred seventy-one".