9288997 has 4 divisors (see below), whose sum is σ = 9295776. Its totient is φ = 9282220.

The previous prime is 9288977. The next prime is 9289009. The reversal of 9288997 is 7998829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9288997 - 2¹⁵ = 9256229 is a prime.

It is a Duffinian number.

9288997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9288977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (2323944).

Almost surely, 2^9288997 is an apocalyptic number.

It is an amenable number.

9288997 is a deficient number, since it is larger than the sum of its proper divisors (6779).

9288997 is a wasteful number, since it uses less digits than its factorization.

9288997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778.

The product of its digits is 653184, while the sum is 52.

The square root of 9288997 is about 3047.7855895715. The cubic root of 9288997 is about 210.2114046458.

The spelling of 9288997 in words is "nine million, two hundred eighty-eight thousand, nine hundred ninety-seven".