9645489 has 24 divisors (see below), whose sum is σ = 16008512. Its totient is φ = 5482080.

The previous prime is 9645479. The next prime is 9645491. The reversal of 9645489 is 9845469.

It is a happy number.

9645489 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9645489 - 2⁹ = 9644977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9645469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17559 + ... + 18099.

Almost surely, 2^9645489 is an apocalyptic number.

It is an amenable number.

9645489 is a deficient number, since it is larger than the sum of its proper divisors (6363023).

9645489 is a wasteful number, since it uses less digits than its factorization.

9645489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 9645489 is about 3105.7187573893. The cubic root of 9645489 is about 212.8668744277.

The spelling of 9645489 in words is "nine million, six hundred forty-five thousand, four hundred eighty-nine".