198914271 has 8 divisors (see below), whose sum is σ = 266198784. Its totient is φ = 132119640.

The previous prime is 198914267. The next prime is 198914291. The reversal of 198914271 is 172419891.

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

It is not a de Polignac number, because 198914271 - 2² = 198914267 is a prime.

It is a super-2 number, since 2×198914271² = 79133774414922882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198914251) 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, 121521 + ... + 123146.

It is an arithmetic number, because the mean of its divisors is an integer number (33274848).

Almost surely, 2^198914271 is an apocalyptic number.

198914271 is a deficient number, since it is larger than the sum of its proper divisors (67284513).

198914271 is a wasteful number, since it uses less digits than its factorization.

198914271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244941.

The product of its digits is 36288, while the sum is 42.

The square root of 198914271 is about 14103.6970684995. The cubic root of 198914271 is about 583.7433966425.

The spelling of 198914271 in words is "one hundred ninety-eight million, nine hundred fourteen thousand, two hundred seventy-one".