805824 has 42 divisors (see below), whose sum is σ = 2311400. Its totient is φ = 268416.

The previous prime is 805811. The next prime is 805843. The reversal of 805824 is 428508.

805824 is a `hidden beast` number, since 80 + 582 + 4 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

805824 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 5 ways as a sum of consecutive naturals, for example, 124 + ... + 1275.

2⁸⁰⁵⁸²⁴ 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 805824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155700).

805824 is an abundant number, since it is smaller than the sum of its proper divisors (1505576).

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

805824 is a wasteful number, since it uses less digits than its factorization.

805824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 805824 is about 897.6770020447. The cubic root of 805824 is about 93.0565039911.

The spelling of 805824 in words is "eight hundred five thousand, eight hundred twenty-four".