98654209 has 2 divisors, whose sum is σ = 98654210. Its totient is φ = 98654208.

The previous prime is 98654207. The next prime is 98654221. The reversal of 98654209 is 90245689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 22353984 = 8735^2 + 4728^2 .

It is an emirp because it is prime and its reverse (90245689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98654209 - 2¹ = 98654207 is a prime.

Together with 98654207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98654203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49327104 + 49327105.

It is an arithmetic number, because the mean of its divisors is an integer number (49327105).

Almost surely, 2^98654209 is an apocalyptic number.

It is an amenable number.

98654209 is a deficient number, since it is larger than the sum of its proper divisors (1).

98654209 is an equidigital number, since it uses as much as digits as its factorization.

98654209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 98654209 is about 9932.4825194913. The cubic root of 98654209 is about 462.0672693662.

The spelling of 98654209 in words is "ninety-eight million, six hundred fifty-four thousand, two hundred nine".