9667971 has 8 divisors (see below), whose sum is σ = 14322960. Its totient is φ = 6445296.

The previous prime is 9667963. The next prime is 9667993. The reversal of 9667971 is 1797669.

It is not a de Polignac number, because 9667971 - 2³ = 9667963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9667921) 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, 179010 + ... + 179063.

It is an arithmetic number, because the mean of its divisors is an integer number (1790370).

Almost surely, 2^9667971 is an apocalyptic number.

9667971 is a deficient number, since it is larger than the sum of its proper divisors (4654989).

9667971 is a wasteful number, since it uses less digits than its factorization.

9667971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358082 (or 358076 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9667971 is about 3109.3361027718. The cubic root of 9667971 is about 213.0321316335.

The spelling of 9667971 in words is "nine million, six hundred sixty-seven thousand, nine hundred seventy-one".