98285009 has 2 divisors, whose sum is σ = 98285010. Its totient is φ = 98285008.

The previous prime is 98284981. The next prime is 98285017. The reversal of 98285009 is 90058289.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 23980609 = 8620^2 + 4897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98285009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98285029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49142504 + 49142505.

It is an arithmetic number, because the mean of its divisors is an integer number (49142505).

Almost surely, 2^98285009 is an apocalyptic number.

It is an amenable number.

98285009 is a deficient number, since it is larger than the sum of its proper divisors (1).

98285009 is an equidigital number, since it uses as much as digits as its factorization.

98285009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 98285009 is about 9913.8796139554. The cubic root of 98285009 is about 461.4901407910.

The spelling of 98285009 in words is "ninety-eight million, two hundred eighty-five thousand, nine".