805956 has 24 divisors (see below), whose sum is σ = 1921920. Its totient is φ = 262752.

The previous prime is 805933. The next prime is 805967. The reversal of 805956 is 659508.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

2⁸⁰⁵⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

805956 is an abundant number, since it is smaller than the sum of its proper divisors (1115964).

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

805956 is a wasteful number, since it uses less digits than its factorization.

805956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 805956 is about 897.7505221385. The cubic root of 805956 is about 93.0615848308.

It can be divided in two parts, 80595 and 6, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 805956 in words is "eight hundred five thousand, nine hundred fifty-six".