9447489 has 8 divisors (see below), whose sum is σ = 13996320. Its totient is φ = 6298308.

The previous prime is 9447481. The next prime is 9447499. The reversal of 9447489 is 9847449.

It is not a de Polignac number, because 9447489 - 2³ = 9447481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9447481) 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, 174927 + ... + 174980.

It is an arithmetic number, because the mean of its divisors is an integer number (1749540).

Almost surely, 2^9447489 is an apocalyptic number.

It is an amenable number.

9447489 is a deficient number, since it is larger than the sum of its proper divisors (4548831).

9447489 is a wasteful number, since it uses less digits than its factorization.

9447489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349916 (or 349910 counting only the distinct ones).

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

The square root of 9447489 is about 3073.6767884734. The cubic root of 9447489 is about 211.4002346237.

The spelling of 9447489 in words is "nine million, four hundred forty-seven thousand, four hundred eighty-nine".