8865149 has 2 divisors, whose sum is σ = 8865150. Its totient is φ = 8865148.

The previous prime is 8865139. The next prime is 8865167. The reversal of 8865149 is 9415688.

8865149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 1612900 = 2693^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 8865149 - 2⁸ = 8864893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8865139) 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, 4432574 + 4432575.

It is an arithmetic number, because the mean of its divisors is an integer number (4432575).

Almost surely, 2^8865149 is an apocalyptic number.

It is an amenable number.

8865149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8865149 is an equidigital number, since it uses as much as digits as its factorization.

8865149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 8865149 is about 2977.4400077919. The cubic root of 8865149 is about 206.9642559269.

The spelling of 8865149 in words is "eight million, eight hundred sixty-five thousand, one hundred forty-nine".