98441009 has 2 divisors, whose sum is σ = 98441010. Its totient is φ = 98441008.

The previous prime is 98440997. The next prime is 98441017. The reversal of 98441009 is 90014489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97911025 + 529984 = 9895^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 98441009 - 2¹² = 98436913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98441009.

It is not a weakly prime, because it can be changed into another prime (98441059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220504 + 49220505.

It is an arithmetic number, because the mean of its divisors is an integer number (49220505).

Almost surely, 2^98441009 is an apocalyptic number.

It is an amenable number.

98441009 is a deficient number, since it is larger than the sum of its proper divisors (1).

98441009 is an equidigital number, since it uses as much as digits as its factorization.

98441009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 98441009 is about 9921.7442518944. The cubic root of 98441009 is about 461.7341739585.

The spelling of 98441009 in words is "ninety-eight million, four hundred forty-one thousand, nine".