9897288 has 16 divisors (see below), whose sum is σ = 24743280. Its totient is φ = 3299088.

The previous prime is 9897287. The next prime is 9897313. The reversal of 9897288 is 8827989.

It is a self number, because there is not a number n which added to its sum of digits gives 9897288.

It is not an unprimeable number, because it can be changed into a prime (9897287) 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, 206170 + ... + 206217.

It is an arithmetic number, because the mean of its divisors is an integer number (1546455).

Almost surely, 2^9897288 is an apocalyptic number.

It is an amenable number.

9897288 is an abundant number, since it is smaller than the sum of its proper divisors (14845992).

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

9897288 is a wasteful number, since it uses less digits than its factorization.

9897288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412396 (or 412392 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 9897288 is about 3145.9955499015. The cubic root of 9897288 is about 214.7033080893.

The spelling of 9897288 in words is "nine million, eight hundred ninety-seven thousand, two hundred eighty-eight".