343841 has 4 divisors (see below), whose sum is σ = 353172. Its totient is φ = 334512.

The previous prime is 343831. The next prime is 343891. The reversal of 343841 is 148343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148343 = 13 ⋅11411.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 180625 = 404^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343801) 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, 4610 + ... + 4683.

It is an arithmetic number, because the mean of its divisors is an integer number (88293).

2³⁴³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

343841 is a deficient number, since it is larger than the sum of its proper divisors (9331).

343841 is an equidigital number, since it uses as much as digits as its factorization.

343841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330.

The product of its digits is 1152, while the sum is 23.

The square root of 343841 is about 586.3795699033. The cubic root of 343841 is about 70.0571641896.

The spelling of 343841 in words is "three hundred forty-three thousand, eight hundred forty-one".