904223 has 4 divisors (see below), whose sum is σ = 906288. Its totient is φ = 902160.

The previous prime is 904219. The next prime is 904261. The reversal of 904223 is 322409.

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 904223 - 2² = 904219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 904195 and 904204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904223.

It is not an unprimeable number, because it can be changed into a prime (904283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (226572).

2⁹⁰⁴²²³ is an apocalyptic number.

904223 is a deficient number, since it is larger than the sum of its proper divisors (2065).

904223 is a wasteful number, since it uses less digits than its factorization.

904223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 904223 is about 950.9064096955. The cubic root of 904223 is about 96.6997125755.

The spelling of 904223 in words is "nine hundred four thousand, two hundred twenty-three".