8999318 has 4 divisors (see below), whose sum is σ = 13498980. Its totient is φ = 4499658.

The previous prime is 8999317. The next prime is 8999323. The reversal of 8999318 is 8139998.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2249828 + ... + 2249831.

It is an arithmetic number, because the mean of its divisors is an integer number (3374745).

Almost surely, 2^8999318 is an apocalyptic number.

8999318 is a deficient number, since it is larger than the sum of its proper divisors (4499662).

8999318 is a wasteful number, since it uses less digits than its factorization.

8999318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499661.

The product of its digits is 139968, while the sum is 47.

The square root of 8999318 is about 2999.8863311799. The cubic root of 8999318 is about 208.0031280348.

It can be divided in two parts, 8999 and 318, that multiplied together give a palindrome (2861682).

The spelling of 8999318 in words is "eight million, nine hundred ninety-nine thousand, three hundred eighteen".