89030 has 16 divisors (see below), whose sum is σ = 166320. Its totient is φ = 34272.
The previous prime is 89021. The next prime is 89041. The reversal of 89030 is 3098.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 88993 and 89011.
It is a congruent number.
It is an unprimeable number.
89030 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 7 ways as a sum of consecutive naturals, for example, 137 + ... + 443.
It is an arithmetic number, because the mean of its divisors is an integer number (10395).
289030 is an apocalyptic number.
89030 is a deficient number, since it is larger than the sum of its proper divisors (77290).
89030 is a wasteful number, since it uses less digits than its factorization.
89030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 89030 is about 298.3789536814. The cubic root of 89030 is about 44.6524669598.
The spelling of 89030 in words is "eighty-nine thousand, thirty".
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