9644375 has 20 divisors (see below), whose sum is σ = 12989592. Its totient is φ = 7116000.

The previous prime is 9644363. The next prime is 9644377. The reversal of 9644375 is 5734469.

9644375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9644375 - 2⁴ = 9644359 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9644377) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7532 + ... + 8718.

Almost surely, 2^9644375 is an apocalyptic number.

9644375 is a deficient number, since it is larger than the sum of its proper divisors (3345217).

9644375 is a wasteful number, since it uses less digits than its factorization.

9644375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1205 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 9644375 is about 3105.5394056428. The cubic root of 9644375 is about 212.8586791346.

The spelling of 9644375 in words is "nine million, six hundred forty-four thousand, three hundred seventy-five".