98469209 has 2 divisors, whose sum is σ = 98469210. Its totient is φ = 98469208.

The previous prime is 98469157. The next prime is 98469221. The reversal of 98469209 is 90296489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77492809 + 20976400 = 8803^2 + 4580^2 .

It is an emirp because it is prime and its reverse (90296489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98469209 - 2¹² = 98465113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98469109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49234604 + 49234605.

It is an arithmetic number, because the mean of its divisors is an integer number (49234605).

Almost surely, 2^98469209 is an apocalyptic number.

It is an amenable number.

98469209 is a deficient number, since it is larger than the sum of its proper divisors (1).

98469209 is an equidigital number, since it uses as much as digits as its factorization.

98469209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 98469209 is about 9923.1652712227. The cubic root of 98469209 is about 461.7782601264.

The spelling of 98469209 in words is "ninety-eight million, four hundred sixty-nine thousand, two hundred nine".