343929 has 4 divisors (see below), whose sum is σ = 458576. Its totient is φ = 229284.

The previous prime is 343913. The next prime is 343933. The reversal of 343929 is 929343.

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: 929343 = 3 ⋅309781.

It is not a de Polignac number, because 343929 - 2⁴ = 343913 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343896 and 343905.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343929.

It is not an unprimeable number, because it can be changed into a prime (343939) 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 in 3 ways as a sum of consecutive naturals, for example, 57319 + ... + 57324.

It is an arithmetic number, because the mean of its divisors is an integer number (114644).

2³⁴³⁹²⁹ is an apocalyptic number.

It is an amenable number.

343929 is a deficient number, since it is larger than the sum of its proper divisors (114647).

343929 is a wasteful number, since it uses less digits than its factorization.

343929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114646.

The product of its digits is 5832, while the sum is 30.

The square root of 343929 is about 586.4546018235. The cubic root of 343929 is about 70.0631403090.

The spelling of 343929 in words is "three hundred forty-three thousand, nine hundred twenty-nine".