229404 has 24 divisors (see below), whose sum is σ = 611968. Its totient is φ = 65520.

The previous prime is 229403. The next prime is 229409. The reversal of 229404 is 404922.

229404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229403) 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, 1282 + ... + 1449.

2²²⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

229404 is an abundant number, since it is smaller than the sum of its proper divisors (382564).

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

229404 is a wasteful number, since it uses less digits than its factorization.

229404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 229404 is about 478.9613763134. The cubic root of 229404 is about 61.2162885432.

The spelling of 229404 in words is "two hundred twenty-nine thousand, four hundred four".