805963 has 4 divisors (see below), whose sum is σ = 807760. Its totient is φ = 804168.

The previous prime is 805933. The next prime is 805967. The reversal of 805963 is 369508.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 805963 - 2⁹ = 805451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (201940).

2⁸⁰⁵⁹⁶³ is an apocalyptic number.

805963 is a deficient number, since it is larger than the sum of its proper divisors (1797).

805963 is an equidigital number, since it uses as much as digits as its factorization.

805963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

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

The square root of 805963 is about 897.7544207633. The cubic root of 805963 is about 93.0618542538.

The spelling of 805963 in words is "eight hundred five thousand, nine hundred sixty-three".