9170997 has 32 divisors (see below), whose sum is σ = 14294016. Its totient is φ = 5174400.

The previous prime is 9170983. The next prime is 9171013. The reversal of 9170997 is 7990719.

9170997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9170997 - 2¹⁵ = 9138229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9170927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32497 + ... + 32777.

It is an arithmetic number, because the mean of its divisors is an integer number (446688).

Almost surely, 2^9170997 is an apocalyptic number.

It is an amenable number.

9170997 is a deficient number, since it is larger than the sum of its proper divisors (5123019).

9170997 is a wasteful number, since it uses less digits than its factorization.

9170997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

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

The square root of 9170997 is about 3028.3654006741. The cubic root of 9170997 is about 209.3174894248.

It can be divided in two parts, 91709 and 97, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 9170997 in words is "nine million, one hundred seventy thousand, nine hundred ninety-seven".