198701 has 2 divisors, whose sum is σ = 198702. Its totient is φ = 198700.

The previous prime is 198689. The next prime is 198719. The reversal of 198701 is 107891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 676 = 445^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 198701 - 2⁶ = 198637 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198701.

It is not a weakly prime, because it can be changed into another prime (198761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99350 + 99351.

It is an arithmetic number, because the mean of its divisors is an integer number (99351).

2¹⁹⁸⁷⁰¹ is an apocalyptic number.

It is an amenable number.

198701 is a deficient number, since it is larger than the sum of its proper divisors (1).

198701 is an equidigital number, since it uses as much as digits as its factorization.

198701 is an odious number, because the sum of its binary digits is odd.

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

The square root of 198701 is about 445.7589034445. The cubic root of 198701 is about 58.3534696922.

The spelling of 198701 in words is "one hundred ninety-eight thousand, seven hundred one".