859328 has 28 divisors (see below), whose sum is σ = 1767840. Its totient is φ = 413952.

The previous prime is 859321. The next prime is 859361. The reversal of 859328 is 823958.

It is a Cunningham number, because it is equal to 927²-1.

It is a super-2 number, since 2×859328² = 1476889223168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (859321) by changing a digit.

859328 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, 1625 + ... + 2087.

2⁸⁵⁹³²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883920).

859328 is an abundant number, since it is smaller than the sum of its proper divisors (908512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859328 is a wasteful number, since it uses less digits than its factorization.

859328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 494 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 859328 is about 926.9994606255. Note that the first 3 decimals coincide. The cubic root of 859328 is about 95.0720782630.

The spelling of 859328 in words is "eight hundred fifty-nine thousand, three hundred twenty-eight".