8418049 has 2 divisors, whose sum is σ = 8418050. Its totient is φ = 8418048.

The previous prime is 8418041. The next prime is 8418071. The reversal of 8418049 is 9408148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5793649 + 2624400 = 2407^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 8418049 - 2³ = 8418041 is a prime.

8418049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8418041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4209024 + 4209025.

It is an arithmetic number, because the mean of its divisors is an integer number (4209025).

Almost surely, 2^8418049 is an apocalyptic number.

It is an amenable number.

8418049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418049 is an equidigital number, since it uses as much as digits as its factorization.

8418049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8418049 is about 2901.3874267323. The cubic root of 8418049 is about 203.4247619527.

Subtracting 8418049 from its reverse (9408148), we obtain a palindrome (990099).

The spelling of 8418049 in words is "eight million, four hundred eighteen thousand, forty-nine".