198248 has 8 divisors (see below), whose sum is σ = 371730. Its totient is φ = 99120.
The previous prime is 198241. The next prime is 198251. The reversal of 198248 is 842891.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 178084 + 20164 = 422^2 + 142^2 .
It is a tau number, because it is divible by the number of its divisors (8).
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 as a sum of consecutive naturals, namely, 12383 + ... + 12398.
2198248 is an apocalyptic number.
It is an amenable number.
198248 is a deficient number, since it is larger than the sum of its proper divisors (173482).
198248 is a wasteful number, since it uses less digits than its factorization.
198248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24787 (or 24783 counting only the distinct ones).
The product of its digits is 4608, while the sum is 32.
The square root of 198248 is about 445.2504912968. The cubic root of 198248 is about 58.3090910605.
The spelling of 198248 in words is "one hundred ninety-eight thousand, two hundred forty-eight".
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