805860 has 108 divisors (see below), whose sum is σ = 2759484. Its totient is φ = 190080.

The previous prime is 805859. The next prime is 805867. The reversal of 805860 is 68508.

805860 = 93² + 94² + ... + 147².

805860 is a `hidden beast` number, since 80 + 586 + 0 = 666.

805860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 527076 + 278784 = 726^2 + 528^2 .

It is not an unprimeable number, because it can be changed into a prime (805867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21762 + ... + 21798.

2⁸⁰⁵⁸⁶⁰ 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 805860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379742).

805860 is an abundant number, since it is smaller than the sum of its proper divisors (1953624).

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

805860 is a wasteful number, since it uses less digits than its factorization.

805860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 805860 is about 897.6970535765. The cubic root of 805860 is about 93.0578897297.

It can be divided in two parts, 8058 and 60, that added together give a palindrome (8118).

The spelling of 805860 in words is "eight hundred five thousand, eight hundred sixty".