8816749 has 2 divisors, whose sum is σ = 8816750. Its totient is φ = 8816748.

The previous prime is 8816747. The next prime is 8816771. The reversal of 8816749 is 9476188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 72900 = 2957^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 8816749 - 2¹ = 8816747 is a prime.

Together with 8816747, it forms a pair of twin primes.

8816749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8816747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4408374 + 4408375.

It is an arithmetic number, because the mean of its divisors is an integer number (4408375).

Almost surely, 2^8816749 is an apocalyptic number.

It is an amenable number.

8816749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8816749 is an equidigital number, since it uses as much as digits as its factorization.

8816749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 8816749 is about 2969.3010962178. The cubic root of 8816749 is about 206.5869223498.

The spelling of 8816749 in words is "eight million, eight hundred sixteen thousand, seven hundred forty-nine".