804855843 has 24 divisors (see below), whose sum is σ = 1271350080. Its totient is φ = 486602160.

The previous prime is 804855841. The next prime is 804855853. The reversal of 804855843 is 348558408.

804855843 is a `hidden beast` number, since 80 + 485 + 58 + 43 = 666.

804855843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 804855843 - 2¹ = 804855841 is a prime.

It is a super-2 number, since 2×804855843² = 1295585856022481298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (804855841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31780 + ... + 51182.

It is an arithmetic number, because the mean of its divisors is an integer number (52972920).

Almost surely, 2^804855843 is an apocalyptic number.

804855843 is a deficient number, since it is larger than the sum of its proper divisors (466494237).

804855843 is a wasteful number, since it uses less digits than its factorization.

804855843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19839 (or 19836 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 804855843 is about 28369.9813711606. The cubic root of 804855843 is about 930.1922148657.

The spelling of 804855843 in words is "eight hundred four million, eight hundred fifty-five thousand, eight hundred forty-three".