338939 has 4 divisors (see below), whose sum is σ = 343656. Its totient is φ = 334224.

The previous prime is 338927. The next prime is 338959. The reversal of 338939 is 939833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939833 = 97 ⋅9689.

It is a cyclic number.

It is not a de Polignac number, because 338939 - 2⁸ = 338683 is a prime.

It is a super-2 number, since 2×338939² = 229759291442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338899 and 338908.

It is not an unprimeable number, because it can be changed into a prime (338909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (85914).

2³³⁸⁹³⁹ is an apocalyptic number.

338939 is a deficient number, since it is larger than the sum of its proper divisors (4717).

338939 is an equidigital number, since it uses as much as digits as its factorization.

338939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716.

The product of its digits is 17496, while the sum is 35.

The square root of 338939 is about 582.1846786029. The cubic root of 338939 is about 69.7226440002.

The spelling of 338939 in words is "three hundred thirty-eight thousand, nine hundred thirty-nine".