199398 has 16 divisors (see below), whose sum is σ = 403200. Its totient is φ = 65736.
The previous prime is 199379. The next prime is 199399. The reversal of 199398 is 893991.
199398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199399) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903 + ... + 1101.
It is an arithmetic number, because the mean of its divisors is an integer number (25200).
2199398 is an apocalyptic number.
199398 is an abundant number, since it is smaller than the sum of its proper divisors (203802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199398 is a wasteful number, since it uses less digits than its factorization.
199398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371.
The product of its digits is 17496, while the sum is 39.
The square root of 199398 is about 446.5400318001. The cubic root of 199398 is about 58.4216205055.
It can be divided in two parts, 1 and 99398, that added together give a palindrome (99399).
The spelling of 199398 in words is "one hundred ninety-nine thousand, three hundred ninety-eight".
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