89243 has 16 divisors (see below), whose sum is σ = 119040. Its totient is φ = 64800.
The previous prime is 89237. The next prime is 89261. The reversal of 89243 is 34298.
It is a cyclic number.
It is not a de Polignac number, because 89243 - 24 = 89227 is a prime.
It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433 + ... + 1493.
It is an arithmetic number, because the mean of its divisors is an integer number (7440).
289243 is an apocalyptic number.
89243 is a deficient number, since it is larger than the sum of its proper divisors (29797).
89243 is a wasteful number, since it uses less digits than its factorization.
89243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98.
The product of its digits is 1728, while the sum is 26.
The square root of 89243 is about 298.7356691123. The cubic root of 89243 is about 44.6880482271.
Subtracting from 89243 its reverse (34298), we obtain a palindrome (54945).
The spelling of 89243 in words is "eighty-nine thousand, two hundred forty-three".
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