43843 has 4 divisors (see below), whose sum is σ = 46440. Its totient is φ = 41248.

The previous prime is 43801. The next prime is 43853. The reversal of 43843 is 34834.

43843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34834 = 2 ⋅17417.

It is a cyclic number.

It is not a de Polignac number, because 43843 - 2⁹ = 43331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43853) 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, 1273 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (11610).

2⁴³⁸⁴³ is an apocalyptic number.

43843 is a deficient number, since it is larger than the sum of its proper divisors (2597).

43843 is a wasteful number, since it uses less digits than its factorization.

43843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

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

The square root of 43843 is about 209.3872011370. The cubic root of 43843 is about 35.2614435625.

Subtracting from 43843 its reverse (34834), we obtain a palindrome (9009).

The spelling of 43843 in words is "forty-three thousand, eight hundred forty-three".