805836 has 12 divisors (see below), whose sum is σ = 1880312. Its totient is φ = 268608.

The previous prime is 805811. The next prime is 805843. The reversal of 805836 is 638508.

805836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33565 + ... + 33588.

2⁸⁰⁵⁸³⁶ is an apocalyptic number.

It is an amenable number.

805836 is an abundant number, since it is smaller than the sum of its proper divisors (1074476).

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

805836 is a wasteful number, since it uses less digits than its factorization.

805836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67160 (or 67158 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 805836 is about 897.6836859384. The cubic root of 805836 is about 93.0569659085.

The spelling of 805836 in words is "eight hundred five thousand, eight hundred thirty-six".