9489447 has 32 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 5670720.

The previous prime is 9489443. The next prime is 9489457. The reversal of 9489447 is 7449849.

It is not a de Polignac number, because 9489447 - 2² = 9489443 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26254 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^9489447 is an apocalyptic number.

9489447 is a deficient number, since it is larger than the sum of its proper divisors (6062553).

9489447 is a wasteful number, since it uses less digits than its factorization.

9489447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 9489447 is about 3080.4946031441. The cubic root of 9489447 is about 211.7127279701.

The spelling of 9489447 in words is "nine million, four hundred eighty-nine thousand, four hundred forty-seven".