864996 has 24 divisors (see below), whose sum is σ = 2202144. Its totient is φ = 262080.
The previous prime is 864989. The next prime is 865001. The reversal of 864996 is 699468.
864996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
864996 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, 3145 + ... + 3408.
It is an arithmetic number, because the mean of its divisors is an integer number (91756).
2864996 is an apocalyptic number.
It is an amenable number.
864996 is an abundant number, since it is smaller than the sum of its proper divisors (1337148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
864996 is a wasteful number, since it uses less digits than its factorization.
864996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6571 (or 6569 counting only the distinct ones).
The product of its digits is 93312, while the sum is 42.
The square root of 864996 is about 930.0516114711. The cubic root of 864996 is about 95.2806474770.
The spelling of 864996 in words is "eight hundred sixty-four thousand, nine hundred ninety-six".
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