805056 has 56 divisors (see below), whose sum is σ = 2438400. Its totient is φ = 229632.

The previous prime is 805037. The next prime is 805061. The reversal of 805056 is 650508.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

805056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 1643.

2⁸⁰⁵⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219200).

805056 is an abundant number, since it is smaller than the sum of its proper divisors (1633344).

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

805056 is a wasteful number, since it uses less digits than its factorization.

805056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 805056 is about 897.2491292835. The cubic root of 805056 is about 93.0269317307.

The spelling of 805056 in words is "eight hundred five thousand, fifty-six".