8991316 has 12 divisors (see below), whose sum is σ = 15855840. Its totient is φ = 4461080.

The previous prime is 8991299. The next prime is 8991319. The reversal of 8991316 is 6131998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8991319) 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, 8056 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (1321320).

Almost surely, 2^8991316 is an apocalyptic number.

It is an amenable number.

8991316 is a deficient number, since it is larger than the sum of its proper divisors (6864524).

8991316 is a wasteful number, since it uses less digits than its factorization.

8991316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294 (or 17292 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 8991316 is about 2998.5523173692. The cubic root of 8991316 is about 207.9414591171.

The spelling of 8991316 in words is "eight million, nine hundred ninety-one thousand, three hundred sixteen".