9997170 has 32 divisors (see below), whose sum is σ = 24822720. Its totient is φ = 2573760.

The previous prime is 9997133. The next prime is 9997177. The reversal of 9997170 is 717999.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9997177) 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 15 ways as a sum of consecutive naturals, for example, 4876 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (775710).

Almost surely, 2^9997170 is an apocalyptic number.

9997170 is an abundant number, since it is smaller than the sum of its proper divisors (14825550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997170 is a wasteful number, since it uses less digits than its factorization.

9997170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530.

The product of its (nonzero) digits is 35721, while the sum is 42.

The square root of 9997170 is about 3161.8301662170. The cubic root of 9997170 is about 215.4231435851.

The spelling of 9997170 in words is "nine million, nine hundred ninety-seven thousand, one hundred seventy".