343829 has 2 divisors, whose sum is σ = 343830. Its totient is φ = 343828.

The previous prime is 343823. The next prime is 343831. The reversal of 343829 is 928343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 88804 = 505^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 343829 - 2⁴ = 343813 is a prime.

Together with 343831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343823) 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 as a sum of consecutive naturals, namely, 171914 + 171915.

It is an arithmetic number, because the mean of its divisors is an integer number (171915).

2³⁴³⁸²⁹ is an apocalyptic number.

It is an amenable number.

343829 is a deficient number, since it is larger than the sum of its proper divisors (1).

343829 is an equidigital number, since it uses as much as digits as its factorization.

343829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 343829 is about 586.3693375339. The cubic root of 343829 is about 70.0563491852.

The spelling of 343829 in words is "three hundred forty-three thousand, eight hundred twenty-nine".