8813489 has 2 divisors, whose sum is σ = 8813490. Its totient is φ = 8813488.

The previous prime is 8813471. The next prime is 8813501. The reversal of 8813489 is 9843188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 2053489 = 2600^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 8813489 - 2¹² = 8809393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8813689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406744 + 4406745.

It is an arithmetic number, because the mean of its divisors is an integer number (4406745).

Almost surely, 2^8813489 is an apocalyptic number.

It is an amenable number.

8813489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813489 is an equidigital number, since it uses as much as digits as its factorization.

8813489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 8813489 is about 2968.7520947361. The cubic root of 8813489 is about 206.5614573177.

The spelling of 8813489 in words is "eight million, eight hundred thirteen thousand, four hundred eighty-nine".