5643843 has 8 divisors (see below), whose sum is σ = 7542528. Its totient is φ = 3753864.

The previous prime is 5643821. The next prime is 5643851. The reversal of 5643843 is 3483465.

5643843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5643843 - 2⁸ = 5643587 is a prime.

It is a d-powerful number, because it can be written as 5 + 6⁶ + 4¹⁰ + 3¹¹ + 8 + 4¹¹ + 3¹¹ .

It is not an unprimeable number, because it can be changed into a prime (5641843) 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, 471 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (942816).

Almost surely, 2^5643843 is an apocalyptic number.

5643843 is a deficient number, since it is larger than the sum of its proper divisors (1898685).

5643843 is a wasteful number, since it uses less digits than its factorization.

5643843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its digits is 34560, while the sum is 33.

The square root of 5643843 is about 2375.6773770864. The cubic root of 5643843 is about 178.0430291968.

The spelling of 5643843 in words is "five million, six hundred forty-three thousand, eight hundred forty-three".