343429 has 4 divisors (see below), whose sum is σ = 350784. Its totient is φ = 336076.

The previous prime is 343423. The next prime is 343433. The reversal of 343429 is 924343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924343 = 7 ⋅132049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607 + ... + 3700.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2³⁴³⁴²⁹ is an apocalyptic number.

It is an amenable number.

343429 is a deficient number, since it is larger than the sum of its proper divisors (7355).

343429 is an equidigital number, since it uses as much as digits as its factorization.

343429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354.

The product of its digits is 2592, while the sum is 25.

The square root of 343429 is about 586.0281563202. The cubic root of 343429 is about 70.0291715150.

The spelling of 343429 in words is "three hundred forty-three thousand, four hundred twenty-nine".