198244 has 12 divisors (see below), whose sum is σ = 359100. Its totient is φ = 95648.
The previous prime is 198241. The next prime is 198251. The reversal of 198244 is 442891.
It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 129600 = 262^2 + 360^2 .
It is not an unprimeable number, because it can be changed into a prime (198241) 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 in 3 ways as a sum of consecutive naturals, for example, 739 + ... + 970.
It is an arithmetic number, because the mean of its divisors is an integer number (29925).
2198244 is an apocalyptic number.
It is an amenable number.
198244 is a deficient number, since it is larger than the sum of its proper divisors (160856).
198244 is a wasteful number, since it uses less digits than its factorization.
198244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).
The product of its digits is 2304, while the sum is 28.
The square root of 198244 is about 445.2459994205. The cubic root of 198244 is about 58.3086988953.
The spelling of 198244 in words is "one hundred ninety-eight thousand, two hundred forty-four".
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