9643625 has 16 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 7654000.

The previous prime is 9643603. The next prime is 9643661. The reversal of 9643625 is 5263469.

It is not a de Polignac number, because 9643625 - 2¹⁰ = 9642601 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22160 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^9643625 is an apocalyptic number.

It is an amenable number.

9643625 is a deficient number, since it is larger than the sum of its proper divisors (2486935).

9643625 is a wasteful number, since it uses less digits than its factorization.

9643625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 615 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 9643625 is about 3105.4186513255. The cubic root of 9643625 is about 212.8531613018.

The spelling of 9643625 in words is "nine million, six hundred forty-three thousand, six hundred twenty-five".