198348217 has 8 divisors (see below), whose sum is σ = 199472000. Its totient is φ = 197228304.

The previous prime is 198348187. The next prime is 198348259. The reversal of 198348217 is 712843891.

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 198348217 - 2⁷ = 198348089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198348517) 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, 190384 + ... + 191422.

It is an arithmetic number, because the mean of its divisors is an integer number (24934000).

Almost surely, 2^198348217 is an apocalyptic number.

It is an amenable number.

198348217 is a deficient number, since it is larger than the sum of its proper divisors (1123783).

198348217 is a wasteful number, since it uses less digits than its factorization.

198348217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its digits is 96768, while the sum is 43.

The square root of 198348217 is about 14083.6151963904. The cubic root of 198348217 is about 583.1891474566.

The spelling of 198348217 in words is "one hundred ninety-eight million, three hundred forty-eight thousand, two hundred seventeen".