805936 has 20 divisors (see below), whose sum is σ = 1653912. Its totient is φ = 379136.

The previous prime is 805933. The next prime is 805967. The reversal of 805936 is 639508.

It is a junction number, because it is equal to n+sod(n) for n = 805898 and 805907.

It is not an unprimeable number, because it can be changed into a prime (805933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210 + ... + 1753.

2⁸⁰⁵⁹³⁶ is an apocalyptic number.

It is an amenable number.

805936 is an abundant number, since it is smaller than the sum of its proper divisors (847976).

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

805936 is a wasteful number, since it uses less digits than its factorization.

805936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 805936 is about 897.7393831174. The cubic root of 805936 is about 93.0608150423.

The spelling of 805936 in words is "eight hundred five thousand, nine hundred thirty-six".