9967171 has 4 divisors (see below), whose sum is σ = 10236592. Its totient is φ = 9697752.

The previous prime is 9967169. The next prime is 9967183. The reversal of 9967171 is 1717699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9967171 - 2¹ = 9967169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9962171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134655 + ... + 134728.

It is an arithmetic number, because the mean of its divisors is an integer number (2559148).

Almost surely, 2^9967171 is an apocalyptic number.

9967171 is a deficient number, since it is larger than the sum of its proper divisors (269421).

9967171 is a wasteful number, since it uses less digits than its factorization.

9967171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269420.

The product of its digits is 23814, while the sum is 40.

The square root of 9967171 is about 3157.0826723417. The cubic root of 9967171 is about 215.2074507516.

The spelling of 9967171 in words is "nine million, nine hundred sixty-seven thousand, one hundred seventy-one".