9447 has 8 divisors (see below), whose sum is σ = 13056. Its totient is φ = 6072.

The previous prime is 9439. The next prime is 9461. The reversal of 9447 is 7449.

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

It is not a de Polignac number, because 9447 - 2³ = 9439 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 174.

It is an arithmetic number, because the mean of its divisors is an integer number (1632).

2⁹⁴⁴⁷ is an apocalyptic number.

9447 is a deficient number, since it is larger than the sum of its proper divisors (3609).

9447 is a wasteful number, since it uses less digits than its factorization.

9447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117.

The product of its digits is 1008, while the sum is 24.

The square root of 9447 is about 97.1956789163. The cubic root of 9447 is about 21.1396587217.

It can be divided in two parts, 94 and 47, that added together give a palindrome (141).

The spelling of 9447 in words is "nine thousand, four hundred forty-seven".