805896 has 128 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 207360.

The previous prime is 805891. The next prime is 805901. The reversal of 805896 is 698508.

It is an interprime number because it is at equal distance from previous prime (805891) and next prime (805901).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 805896.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805896.

It is not an unprimeable number, because it can be changed into a prime (805891) by changing a digit.

805896 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 31 ways as a sum of consecutive naturals, for example, 19636 + ... + 19676.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2⁸⁰⁵⁸⁹⁶ 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 805896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411200).

805896 is an abundant number, since it is smaller than the sum of its proper divisors (2016504).

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

805896 is a wasteful number, since it uses less digits than its factorization.

805896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 805896 is about 897.7171046605. The cubic root of 805896 is about 93.0592754270.

The spelling of 805896 in words is "eight hundred five thousand, eight hundred ninety-six".