804423 has 8 divisors (see below), whose sum is σ = 1135728. Its totient is φ = 504704.

The previous prime is 804409. The next prime is 804443. The reversal of 804423 is 324408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 804423 - 2⁹ = 803911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7836 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (141966).

2⁸⁰⁴⁴²³ is an apocalyptic number.

804423 is a deficient number, since it is larger than the sum of its proper divisors (331305).

804423 is a wasteful number, since it uses less digits than its factorization.

804423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 804423 is about 896.8963150777. The cubic root of 804423 is about 93.0025435771.

The spelling of 804423 in words is "eight hundred four thousand, four hundred twenty-three".