234209 has 8 divisors (see below), whose sum is σ = 259200. Its totient is φ = 210496.

The previous prime is 234203. The next prime is 234211. The reversal of 234209 is 902432.

234209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 234209 - 2⁴ = 234193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234203) 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, 92 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2²³⁴²⁰⁹ is an apocalyptic number.

It is an amenable number.

234209 is a deficient number, since it is larger than the sum of its proper divisors (24991).

234209 is a wasteful number, since it uses less digits than its factorization.

234209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

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

The square root of 234209 is about 483.9514438454. The cubic root of 234209 is about 61.6407422887.

The spelling of 234209 in words is "two hundred thirty-four thousand, two hundred nine".