234439 has 4 divisors (see below), whose sum is σ = 244656. Its totient is φ = 224224.

The previous prime is 234431. The next prime is 234457. The reversal of 234439 is 934432.

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 234439 - 2³ = 234431 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 3⁹ + 4² + 4⁶ + 3¹¹ + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (61164).

2²³⁴⁴³⁹ is an apocalyptic number.

234439 is a deficient number, since it is larger than the sum of its proper divisors (10217).

234439 is a wasteful number, since it uses less digits than its factorization.

234439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its digits is 2592, while the sum is 25.

The square root of 234439 is about 484.1890126800. The cubic root of 234439 is about 61.6609133501.

The spelling of 234439 in words is "two hundred thirty-four thousand, four hundred thirty-nine".