343279 has 4 divisors (see below), whose sum is σ = 344776. Its totient is φ = 341784.

The previous prime is 343267. The next prime is 343289. The reversal of 343279 is 972343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343279 - 2¹⁵ = 310511 is a prime.

It is a Duffinian number.

343279 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343219) 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, 324 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (86194).

2³⁴³²⁷⁹ is an apocalyptic number.

343279 is a deficient number, since it is larger than the sum of its proper divisors (1497).

343279 is a wasteful number, since it uses less digits than its factorization.

343279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 4536, while the sum is 28.

The square root of 343279 is about 585.9001621437. The cubic root of 343279 is about 70.0189744481.

The spelling of 343279 in words is "three hundred forty-three thousand, two hundred seventy-nine".