804823393 has 6 divisors (see below), whose sum is σ = 884640722. Its totient is φ = 731657520.

The previous prime is 804823343. The next prime is 804823423. The reversal of 804823393 is 393328408.

It can be written as a sum of positive squares in only one way, i.e., 482549089 + 322274304 = 21967^2 + 17952^2 .

It is not a de Polignac number, because 804823393 - 2¹⁷ = 804692321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804823343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3325596 + ... + 3325837.

Almost surely, 2^804823393 is an apocalyptic number.

It is an amenable number.

804823393 is a deficient number, since it is larger than the sum of its proper divisors (79817329).

804823393 is a wasteful number, since it uses less digits than its factorization.

804823393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651455 (or 6651444 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 804823393 is about 28369.4094580765. The cubic root of 804823393 is about 930.1797136030.

The spelling of 804823393 in words is "eight hundred four million, eight hundred twenty-three thousand, three hundred ninety-three".