859896 has 40 divisors (see below), whose sum is σ = 2410320. Its totient is φ = 286416.

The previous prime is 859891. The next prime is 859913. The reversal of 859896 is 698958.

It is a super-2 number, since 2×859896² = 1478842261632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859891) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (60258).

2⁸⁵⁹⁸⁹⁶ 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 859896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205160).

859896 is an abundant number, since it is smaller than the sum of its proper divisors (1550424).

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

859896 is a wasteful number, since it uses less digits than its factorization.

859896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1332 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 859896 is about 927.3057748122. The cubic root of 859896 is about 95.0930206145.

The spelling of 859896 in words is "eight hundred fifty-nine thousand, eight hundred ninety-six".