804566 has 16 divisors (see below), whose sum is σ = 1395360. Its totient is φ = 340800.

The previous prime is 804553. The next prime is 804571. The reversal of 804566 is 665408.

804566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

804566 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, 1130 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2⁸⁰⁴⁵⁶⁶ is an apocalyptic number.

804566 is a deficient number, since it is larger than the sum of its proper divisors (590794).

804566 is a wasteful number, since it uses less digits than its factorization.

804566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 804566 is about 896.9760308949. The cubic root of 804566 is about 93.0080541836.

The spelling of 804566 in words is "eight hundred four thousand, five hundred sixty-six".