80398 has 8 divisors (see below), whose sum is σ = 122760. Its totient is φ = 39480.
The previous prime is 80387. The next prime is 80407. The reversal of 80398 is 89308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
80398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 451.
It is an arithmetic number, because the mean of its divisors is an integer number (15345).
280398 is an apocalyptic number.
80398 is a deficient number, since it is larger than the sum of its proper divisors (42362).
80398 is a wasteful number, since it uses less digits than its factorization.
80398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 80398 is about 283.5454108251. The cubic root of 80398 is about 43.1600310474.
The spelling of 80398 in words is "eighty thousand, three hundred ninety-eight".
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