434239 has 4 divisors (see below), whose sum is σ = 467656. Its totient is φ = 400824.

The previous prime is 434237. The next prime is 434243. The reversal of 434239 is 932434.

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 434239 - 2¹ = 434237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434237) 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, 16689 + ... + 16714.

It is an arithmetic number, because the mean of its divisors is an integer number (116914).

2⁴³⁴²³⁹ is an apocalyptic number.

434239 is a deficient number, since it is larger than the sum of its proper divisors (33417).

434239 is a wasteful number, since it uses less digits than its factorization.

434239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33416.

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

The square root of 434239 is about 658.9681327652. The cubic root of 434239 is about 75.7256381628.

It can be divided in two parts, 4 and 34239, that added together give a palindrome (34243).

The spelling of 434239 in words is "four hundred thirty-four thousand, two hundred thirty-nine".