9443 has 8 divisors (see below), whose sum is σ = 11520. Its totient is φ = 7560.

The previous prime is 9439. The next prime is 9461. The reversal of 9443 is 3449.

9443 is digitally balanced in base 2, 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 9443 - 2² = 9439 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 168.

It is an arithmetic number, because the mean of its divisors is an integer number (1440).

2⁹⁴⁴³ is an apocalyptic number.

9443 is a deficient number, since it is larger than the sum of its proper divisors (2077).

9443 is a wasteful number, since it uses less digits than its factorization.

9443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97.

The product of its digits is 432, while the sum is 20.

The square root of 9443 is about 97.1750996912. The cubic root of 9443 is about 21.1366746854.

The spelling of 9443 in words is "nine thousand, four hundred forty-three".