338539 has 4 divisors (see below), whose sum is σ = 346456. Its totient is φ = 330624.

The previous prime is 338531. The next prime is 338543. The reversal of 338539 is 935833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935833 = 17 ⋅55049.

It is a cyclic number.

It is not a de Polignac number, because 338539 - 2³ = 338531 is a prime.

It is a super-2 number, since 2×338539² = 229217309042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338539.

It is not an unprimeable number, because it can be changed into a prime (338531) 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, 3894 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (86614).

2³³⁸⁵³⁹ is an apocalyptic number.

338539 is a deficient number, since it is larger than the sum of its proper divisors (7917).

338539 is an equidigital number, since it uses as much as digits as its factorization.

338539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916.

The product of its digits is 9720, while the sum is 31.

The square root of 338539 is about 581.8410435849. The cubic root of 338539 is about 69.6952053992.

The spelling of 338539 in words is "three hundred thirty-eight thousand, five hundred thirty-nine".