80198 has 4 divisors (see below), whose sum is σ = 120300. Its totient is φ = 40098.
The previous prime is 80191. The next prime is 80207. The reversal of 80198 is 89108.
It is a semiprime because it is the product of two primes.
80198 is a modest number, since divided by 198 gives 8 as remainder.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20048 + ... + 20051.
It is an arithmetic number, because the mean of its divisors is an integer number (30075).
280198 is an apocalyptic number.
80198 is a deficient number, since it is larger than the sum of its proper divisors (40102).
80198 is a wasteful number, since it uses less digits than its factorization.
80198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40101.
The product of its (nonzero) digits is 576, while the sum is 26.
The square root of 80198 is about 283.1925140254. The cubic root of 80198 is about 43.1242126860.
The spelling of 80198 in words is "eighty thousand, one hundred ninety-eight".
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