8418089 has 2 divisors, whose sum is σ = 8418090. Its totient is φ = 8418088.

The previous prime is 8418071. The next prime is 8418097. The reversal of 8418089 is 9808148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 94864 = 2885^2 + 308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8418089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8418049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4209044 + 4209045.

It is an arithmetic number, because the mean of its divisors is an integer number (4209045).

Almost surely, 2^8418089 is an apocalyptic number.

It is an amenable number.

8418089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418089 is an equidigital number, since it uses as much as digits as its factorization.

8418089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 8418089 is about 2901.3943199779. The cubic root of 8418089 is about 203.4250841563.

The spelling of 8418089 in words is "eight million, four hundred eighteen thousand, eighty-nine".