343339 has 4 divisors (see below), whose sum is σ = 344520. Its totient is φ = 342160.

The previous prime is 343337. The next prime is 343373. The reversal of 343339 is 933343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 933343 = 89 ⋅10487.

It is a cyclic number.

It is not a de Polignac number, because 343339 - 2¹ = 343337 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (86130).

2³⁴³³³⁹ is an apocalyptic number.

343339 is a deficient number, since it is larger than the sum of its proper divisors (1181).

343339 is an equidigital number, since it uses as much as digits as its factorization.

343339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 2916, while the sum is 25.

The square root of 343339 is about 585.9513631693. The cubic root of 343339 is about 70.0230536312.

It can be divided in two parts, 34 and 3339, that multiplied together give a triangular number (113526 = T₄₇₆).

The spelling of 343339 in words is "three hundred forty-three thousand, three hundred thirty-nine".