529830 has 72 divisors (see below), whose sum is σ = 1630512. Its totient is φ = 116928.
The previous prime is 529829. The next prime is 529847. The reversal of 529830 is 38925.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 529794 and 529803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18256 + ... + 18284.
It is an arithmetic number, because the mean of its divisors is an integer number (22646).
2529830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 529830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815256).
529830 is an abundant number, since it is smaller than the sum of its proper divisors (1100682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
529830 is a wasteful number, since it uses less digits than its factorization.
529830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78 (or 46 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 529830 is about 727.8942230846. The cubic root of 529830 is about 80.9180698776.
The spelling of 529830 in words is "five hundred twenty-nine thousand, eight hundred thirty".
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