87234 has 32 divisors (see below), whose sum is σ = 208896. Its totient is φ = 23760.
The previous prime is 87223. The next prime is 87251. The reversal of 87234 is 43278.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269 + ... + 1335.
It is an arithmetic number, because the mean of its divisors is an integer number (6528).
287234 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104448).
87234 is an abundant number, since it is smaller than the sum of its proper divisors (121662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87234 is a wasteful number, since it uses less digits than its factorization.
87234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110.
The product of its digits is 1344, while the sum is 24.
The square root of 87234 is about 295.3540248583. The cubic root of 87234 is about 44.3501672869.
Subtracting from 87234 its reverse (43278), we obtain a triangular number (43956 = T296).
The spelling of 87234 in words is "eighty-seven thousand, two hundred thirty-four".
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