9642171 has 48 divisors (see below), whose sum is σ = 16744320. Its totient is φ = 4878720.

The previous prime is 9642161. The next prime is 9642173. The reversal of 9642171 is 1712469.

It is a happy number.

It is not a de Polignac number, because 9642171 - 2¹⁰ = 9641147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9642173) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 108295 + ... + 108383.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

Almost surely, 2^9642171 is an apocalyptic number.

9642171 is a deficient number, since it is larger than the sum of its proper divisors (7102149).

9642171 is a wasteful number, since it uses less digits than its factorization.

9642171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 9642171 is about 3105.1845355792. The cubic root of 9642171 is about 212.8424632482.

The spelling of 9642171 in words is "nine million, six hundred forty-two thousand, one hundred seventy-one".