98000909 has 2 divisors, whose sum is σ = 98000910. Its totient is φ = 98000908.

The previous prime is 98000893. The next prime is 98000911. The reversal of 98000909 is 90900089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 40998409 = 7550^2 + 6403^2 .

It is a cyclic number.

It is not a de Polignac number, because 98000909 - 2⁴ = 98000893 is a prime.

Together with 98000911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98000939) 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, 49000454 + 49000455.

It is an arithmetic number, because the mean of its divisors is an integer number (49000455).

Almost surely, 2^98000909 is an apocalyptic number.

It is an amenable number.

98000909 is a deficient number, since it is larger than the sum of its proper divisors (1).

98000909 is an equidigital number, since it uses as much as digits as its factorization.

98000909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 98000909 is about 9899.5408479384. The cubic root of 98000909 is about 461.0450546731.

The spelling of 98000909 in words is "ninety-eight million, nine hundred nine", and thus it is an aban number.