9645040 has 20 divisors (see below), whose sum is σ = 22424904. Its totient is φ = 3857984.

The previous prime is 9645017. The next prime is 9645067. The reversal of 9645040 is 405469.

9645040 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60202 + ... + 60361.

Almost surely, 2^9645040 is an apocalyptic number.

It is an amenable number.

9645040 is an abundant number, since it is smaller than the sum of its proper divisors (12779864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9645040 is a wasteful number, since it uses less digits than its factorization.

9645040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120576 (or 120570 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 9645040 is about 3105.6464705436. The cubic root of 9645040 is about 212.8635713738.

The spelling of 9645040 in words is "nine million, six hundred forty-five thousand, forty".