805835 has 4 divisors (see below), whose sum is σ = 967008. Its totient is φ = 644664.

The previous prime is 805811. The next prime is 805843. The reversal of 805835 is 538508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805835 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805798 and 805807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80579 + ... + 80588.

It is an arithmetic number, because the mean of its divisors is an integer number (241752).

2⁸⁰⁵⁸³⁵ is an apocalyptic number.

805835 is a deficient number, since it is larger than the sum of its proper divisors (161173).

805835 is a wasteful number, since it uses less digits than its factorization.

805835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161172.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 805835 is about 897.6831289492. The cubic root of 805835 is about 93.0569274156.

The spelling of 805835 in words is "eight hundred five thousand, eight hundred thirty-five".