8914649 has 2 divisors, whose sum is σ = 8914650. Its totient is φ = 8914648.

The previous prime is 8914637. The next prime is 8914651. The reversal of 8914649 is 9464198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 105625 = 2968^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8914649 is a prime.

It is a Sophie Germain prime.

Together with 8914651, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8914679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4457324 + 4457325.

It is an arithmetic number, because the mean of its divisors is an integer number (4457325).

Almost surely, 2^8914649 is an apocalyptic number.

It is an amenable number.

8914649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8914649 is an equidigital number, since it uses as much as digits as its factorization.

8914649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 8914649 is about 2985.7409465659. The cubic root of 8914649 is about 207.3487473735.

The spelling of 8914649 in words is "eight million, nine hundred fourteen thousand, six hundred forty-nine".