8816491 has 4 divisors (see below), whose sum is σ = 8902192. Its totient is φ = 8730792.

The previous prime is 8816473. The next prime is 8816501. The reversal of 8816491 is 1946188.

It is a happy number.

8816491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8816491 - 2¹³ = 8808299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8816491.

It is not an unprimeable number, because it can be changed into a prime (8816461) 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, 42696 + ... + 42901.

It is an arithmetic number, because the mean of its divisors is an integer number (2225548).

Almost surely, 2^8816491 is an apocalyptic number.

8816491 is a deficient number, since it is larger than the sum of its proper divisors (85701).

8816491 is a wasteful number, since it uses less digits than its factorization.

8816491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85700.

The product of its digits is 13824, while the sum is 37.

The square root of 8816491 is about 2969.2576513331. The cubic root of 8816491 is about 206.5849072478.

The spelling of 8816491 in words is "eight million, eight hundred sixteen thousand, four hundred ninety-one".