338443 has 6 divisors (see below), whose sum is σ = 393756. Its totient is φ = 290052.

The previous prime is 338431. The next prime is 338449. The reversal of 338443 is 344833.

It is not a de Polignac number, because 338443 - 2⁵ = 338411 is a prime.

It is a super-2 number, since 2×338443² = 229087328498, which contains 22 as substring.

It is a Duffinian number.

338443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (338449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3405 + ... + 3502.

It is an arithmetic number, because the mean of its divisors is an integer number (65626).

2³³⁸⁴⁴³ is an apocalyptic number.

338443 is a deficient number, since it is larger than the sum of its proper divisors (55313).

338443 is an equidigital number, since it uses as much as digits as its factorization.

338443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921 (or 6914 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 338443 is about 581.7585409773. The cubic root of 338443 is about 69.6886169192.

The spelling of 338443 in words is "three hundred thirty-eight thousand, four hundred forty-three".