8997318 has 96 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 2566080.

The previous prime is 8997311. The next prime is 8997319. The reversal of 8997318 is 8137998.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529246 + ... + 529262.

It is an arithmetic number, because the mean of its divisors is an integer number (245385).

Almost surely, 2^8997318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8997318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11778480).

8997318 is an abundant number, since it is smaller than the sum of its proper divisors (14559642).

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

8997318 is a wasteful number, since it uses less digits than its factorization.

8997318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 33 counting only the distinct ones).

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

The square root of 8997318 is about 2999.5529666935. The cubic root of 8997318 is about 207.9877180864.

The spelling of 8997318 in words is "eight million, nine hundred ninety-seven thousand, three hundred eighteen".