9644975 has 12 divisors (see below), whose sum is σ = 12284184. Its totient is φ = 7506720.

The previous prime is 9644959. The next prime is 9644977. The reversal of 9644975 is 5794469.

It is not a de Polignac number, because 9644975 - 2⁴ = 9644959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9644977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4289 + ... + 6138.

It is an arithmetic number, because the mean of its divisors is an integer number (1023682).

Almost surely, 2^9644975 is an apocalyptic number.

9644975 is a deficient number, since it is larger than the sum of its proper divisors (2639209).

9644975 is a wasteful number, since it uses less digits than its factorization.

9644975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474 (or 10469 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 9644975 is about 3105.6360057161. The cubic root of 9644975 is about 212.8630931950.

The spelling of 9644975 in words is "nine million, six hundred forty-four thousand, nine hundred seventy-five".