343239 has 12 divisors (see below), whose sum is σ = 496296. Its totient is φ = 210912.

The previous prime is 343237. The next prime is 343243. The reversal of 343239 is 932343.

It is not a de Polignac number, because 343239 - 2¹ = 343237 is a prime.

It is a super-2 number, since 2×343239² = 235626022242, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343239.

It is not an unprimeable number, because it can be changed into a prime (343237) 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 11 ways as a sum of consecutive naturals, for example, 169 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (41358).

2³⁴³²³⁹ is an apocalyptic number.

343239 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

343239 is a deficient number, since it is larger than the sum of its proper divisors (153057).

343239 is a wasteful number, since it uses less digits than its factorization.

343239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 693 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

The square root of 343239 is about 585.8660256407. The cubic root of 343239 is about 70.0162547286.

The spelling of 343239 in words is "three hundred forty-three thousand, two hundred thirty-nine".