209234 has 8 divisors (see below), whose sum is σ = 315900. Its totient is φ = 103936.

The previous prime is 209233. The next prime is 209249. The reversal of 209234 is 432902.

It can be written as a sum of positive squares in 2 ways, for example, as 207025 + 2209 = 455^2 + 47^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 209234.

It is not an unprimeable number, because it can be changed into a prime (209233) 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, 242 + ... + 690.

2²⁰⁹²³⁴ is an apocalyptic number.

209234 is a deficient number, since it is larger than the sum of its proper divisors (106666).

209234 is a wasteful number, since it uses less digits than its factorization.

209234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

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

The square root of 209234 is about 457.4210314360. The cubic root of 209234 is about 59.3668609342.

Subtracting from 209234 its product of nonzero digits (432), we obtain a palindrome (208802).

The spelling of 209234 in words is "two hundred nine thousand, two hundred thirty-four".