438339 has 16 divisors (see below), whose sum is σ = 656640. Its totient is φ = 257760.

The previous prime is 438329. The next prime is 438341. The reversal of 438339 is 933834.

It is a happy number.

It is not a de Polignac number, because 438339 - 2⁷ = 438211 is a prime.

438339 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁴³⁸³³⁹ is an apocalyptic number.

438339 is a deficient number, since it is larger than the sum of its proper divisors (218301).

438339 is a wasteful number, since it uses less digits than its factorization.

438339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 7776, while the sum is 30.

The square root of 438339 is about 662.0717483778. The cubic root of 438339 is about 75.9632208930.

It can be divided in two parts, 438 and 339, that added together give a palindrome (777).

The spelling of 438339 in words is "four hundred thirty-eight thousand, three hundred thirty-nine".