804384823 has 4 divisors (see below), whose sum is σ = 877510728. Its totient is φ = 731258920.

The previous prime is 804384811. The next prime is 804384827. The reversal of 804384823 is 328483408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 804384823 - 2²¹ = 802287671 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804384827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36562936 + ... + 36562957.

It is an arithmetic number, because the mean of its divisors is an integer number (219377682).

Almost surely, 2^804384823 is an apocalyptic number.

804384823 is a deficient number, since it is larger than the sum of its proper divisors (73125905).

804384823 is a wasteful number, since it uses less digits than its factorization.

804384823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73125904.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 804384823 is about 28361.6787761232. The cubic root of 804384823 is about 930.0107228887.

The spelling of 804384823 in words is "eight hundred four million, three hundred eighty-four thousand, eight hundred twenty-three".