198017 has 2 divisors, whose sum is σ = 198018. Its totient is φ = 198016.

The previous prime is 198013. The next prime is 198031. The reversal of 198017 is 710891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190096 + 7921 = 436^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 198017 - 2² = 198013 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198017.

It is not a weakly prime, because it can be changed into another prime (198013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99008 + 99009.

It is an arithmetic number, because the mean of its divisors is an integer number (99009).

2¹⁹⁸⁰¹⁷ is an apocalyptic number.

It is an amenable number.

198017 is a deficient number, since it is larger than the sum of its proper divisors (1).

198017 is an equidigital number, since it uses as much as digits as its factorization.

198017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 198017 is about 444.9910111452. The cubic root of 198017 is about 58.2864348673.

The spelling of 198017 in words is "one hundred ninety-eight thousand, seventeen".