223804 has 12 divisors (see below), whose sum is σ = 447664. Its totient is φ = 95904.

The previous prime is 223781. The next prime is 223823. The reversal of 223804 is 408322.

It is a happy number.

223804 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969 + ... + 4024.

2²²³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

223804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223804 is a wasteful number, since it uses less digits than its factorization.

223804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 223804 is about 473.0792745407. The cubic root of 223804 is about 60.7140608329.

The spelling of 223804 in words is "two hundred twenty-three thousand, eight hundred four".