340843 has 8 divisors (see below), whose sum is σ = 356400. Its totient is φ = 325728.

The previous prime is 340819. The next prime is 340849. The reversal of 340843 is 348043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340843 - 2⁵ = 340811 is a prime.

It is a Duffinian number.

340843 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (340849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2³⁴⁰⁸⁴³ is an apocalyptic number.

340843 is a deficient number, since it is larger than the sum of its proper divisors (15557).

340843 is a wasteful number, since it uses less digits than its factorization.

340843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 340843 is about 583.8176085046. The cubic root of 340843 is about 69.8529566403.

Adding to 340843 its reverse (348043), we get a palindrome (688886).

The spelling of 340843 in words is "three hundred forty thousand, eight hundred forty-three".