198941 has 2 divisors, whose sum is σ = 198942. Its totient is φ = 198940.

The previous prime is 198937. The next prime is 198943. The reversal of 198941 is 149891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198916 + 25 = 446^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 198941 - 2² = 198937 is a prime.

Together with 198943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 198898 and 198907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99470 + 99471.

It is an arithmetic number, because the mean of its divisors is an integer number (99471).

2¹⁹⁸⁹⁴¹ is an apocalyptic number.

It is an amenable number.

198941 is a deficient number, since it is larger than the sum of its proper divisors (1).

198941 is an equidigital number, since it uses as much as digits as its factorization.

198941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 32.

The square root of 198941 is about 446.0280260253. The cubic root of 198941 is about 58.3769542208.

The spelling of 198941 in words is "one hundred ninety-eight thousand, nine hundred forty-one".