9897167 has 24 divisors (see below), whose sum is σ = 12164256. Its totient is φ = 8019648.

The previous prime is 9897161. The next prime is 9897203. The reversal of 9897167 is 7617989.

9897167 is digitally balanced in base 2, base 3 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9897167 - 2⁸ = 9896911 is a prime.

It is a Duffinian number.

9897167 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96038 + ... + 96140.

It is an arithmetic number, because the mean of its divisors is an integer number (506844).

Almost surely, 2^9897167 is an apocalyptic number.

9897167 is a deficient number, since it is larger than the sum of its proper divisors (2267089).

9897167 is a wasteful number, since it uses less digits than its factorization.

9897167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 200 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 9897167 is about 3145.9763190463. The cubic root of 9897167 is about 214.7024331289.

The spelling of 9897167 in words is "nine million, eight hundred ninety-seven thousand, one hundred sixty-seven".