9643960 has 32 divisors (see below), whose sum is σ = 21792240. Its totient is φ = 3841024.

The previous prime is 9643943. The next prime is 9643961. The reversal of 9643960 is 693469.

9643960 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (9643961) 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, 13779 + ... + 14461.

Almost surely, 2^9643960 is an apocalyptic number.

It is an amenable number.

9643960 is an abundant number, since it is smaller than the sum of its proper divisors (12148280).

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

9643960 is a wasteful number, since it uses less digits than its factorization.

9643960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 9643960 is about 3105.4725888341. The cubic root of 9643960 is about 212.8556259691.

The spelling of 9643960 in words is "nine million, six hundred forty-three thousand, nine hundred sixty".