8491116 has 24 divisors (see below), whose sum is σ = 19875520. Its totient is φ = 2821392.

The previous prime is 8491099. The next prime is 8491121. The reversal of 8491116 is 6111948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615 + ... + 5481.

Almost surely, 2^8491116 is an apocalyptic number.

It is an amenable number.

8491116 is an abundant number, since it is smaller than the sum of its proper divisors (11384404).

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

8491116 is a wasteful number, since it uses less digits than its factorization.

8491116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 8491116 is about 2913.9519556781. The cubic root of 8491116 is about 204.0116294793.

The spelling of 8491116 in words is "eight million, four hundred ninety-one thousand, one hundred sixteen".