339943 has 2 divisors, whose sum is σ = 339944. Its totient is φ = 339942.

The previous prime is 339907. The next prime is 339959. The reversal of 339943 is 349933.

It is a strong prime.

It is an emirp because it is prime and its reverse (349933) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339943 is a prime.

It is a super-2 number, since 2×339943² = 231122486498, which contains 22 as substring.

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330943) 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 as a sum of consecutive naturals, namely, 169971 + 169972.

It is an arithmetic number, because the mean of its divisors is an integer number (169972).

2³³⁹⁹⁴³ is an apocalyptic number.

339943 is a deficient number, since it is larger than the sum of its proper divisors (1).

339943 is an equidigital number, since it uses as much as digits as its factorization.

339943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 31.

The square root of 339943 is about 583.0463103391. The cubic root of 339943 is about 69.7914199244.

The spelling of 339943 in words is "three hundred thirty-nine thousand, nine hundred forty-three".