343879 has 4 divisors (see below), whose sum is σ = 345184. Its totient is φ = 342576.

The previous prime is 343831. The next prime is 343891. The reversal of 343879 is 978343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 343879 - 2¹⁵ = 311111 is a prime.

It is an Ulam number.

It is a Duffinian number.

343879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343829) 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, 102 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (86296).

2³⁴³⁸⁷⁹ is an apocalyptic number.

343879 is a deficient number, since it is larger than the sum of its proper divisors (1305).

343879 is an equidigital number, since it uses as much as digits as its factorization.

343879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its digits is 18144, while the sum is 34.

The square root of 343879 is about 586.4119712284. The cubic root of 343879 is about 70.0597449117.

The spelling of 343879 in words is "three hundred forty-three thousand, eight hundred seventy-nine".