343867 has 4 divisors (see below), whose sum is σ = 352296. Its totient is φ = 335440.

The previous prime is 343831. The next prime is 343891. The reversal of 343867 is 768343.

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 343867 - 2¹⁵ = 311099 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁶ + 4⁶ + 8 + 3¹⁰ + 6⁷ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343817) 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, 4153 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (88074).

2³⁴³⁸⁶⁷ is an apocalyptic number.

343867 is a deficient number, since it is larger than the sum of its proper divisors (8429).

343867 is an equidigital number, since it uses as much as digits as its factorization.

343867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428.

The product of its digits is 12096, while the sum is 31.

The square root of 343867 is about 586.4017394244. The cubic root of 343867 is about 70.0589299673.

The spelling of 343867 in words is "three hundred forty-three thousand, eight hundred sixty-seven".