9897318 has 24 divisors (see below), whose sum is σ = 21968856. Its totient is φ = 3218400.

The previous prime is 9897313. The next prime is 9897319. The reversal of 9897318 is 8137989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897313) 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 11 ways as a sum of consecutive naturals, for example, 5968 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (915369).

Almost surely, 2^9897318 is an apocalyptic number.

9897318 is an abundant number, since it is smaller than the sum of its proper divisors (12071538).

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

9897318 is a wasteful number, since it uses less digits than its factorization.

9897318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460 (or 13457 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 9897318 is about 3146.0003178639. Note that the first 3 decimals coincide. The cubic root of 9897318 is about 214.7035250206.

The spelling of 9897318 in words is "nine million, eight hundred ninety-seven thousand, three hundred eighteen".