8919349 has 2 divisors, whose sum is σ = 8919350. Its totient is φ = 8919348.

The previous prime is 8919347. The next prime is 8919371. The reversal of 8919349 is 9439198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 756900 = 2857^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 8919349 - 2¹ = 8919347 is a prime.

Together with 8919347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8919343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4459674 + 4459675.

It is an arithmetic number, because the mean of its divisors is an integer number (4459675).

Almost surely, 2^8919349 is an apocalyptic number.

It is an amenable number.

8919349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8919349 is an equidigital number, since it uses as much as digits as its factorization.

8919349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 8919349 is about 2986.5279171640. The cubic root of 8919349 is about 207.3851805858.

The spelling of 8919349 in words is "eight million, nine hundred nineteen thousand, three hundred forty-nine".