805959 has 24 divisors (see below), whose sum is σ = 1452672. Its totient is φ = 418320.

The previous prime is 805933. The next prime is 805967. The reversal of 805959 is 959508.

It is not a de Polignac number, because 805959 - 2⁸ = 805703 is a prime.

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 805959.

It is not an unprimeable number, because it can be changed into a prime (805159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (60528).

2⁸⁰⁵⁹⁵⁹ is an apocalyptic number.

805959 is a deficient number, since it is larger than the sum of its proper divisors (646713).

805959 is a wasteful number, since it uses less digits than its factorization.

805959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 805959 is about 897.7521929798. The cubic root of 805959 is about 93.0617002980.

It can be divided in two parts, 8059 and 59, that added together give a palindrome (8118).

The spelling of 805959 in words is "eight hundred five thousand, nine hundred fifty-nine".