98448869 has 2 divisors, whose sum is σ = 98448870. Its totient is φ = 98448868.

The previous prime is 98448859. The next prime is 98448871. The reversal of 98448869 is 96884489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61701025 + 36747844 = 7855^2 + 6062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98448869 is a prime.

It is a super-2 number, since 2×98448869² = 19384359614758322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 98448871, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98448859) 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, 49224434 + 49224435.

It is an arithmetic number, because the mean of its divisors is an integer number (49224435).

Almost surely, 2^98448869 is an apocalyptic number.

It is an amenable number.

98448869 is a deficient number, since it is larger than the sum of its proper divisors (1).

98448869 is an equidigital number, since it uses as much as digits as its factorization.

98448869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 56.

The square root of 98448869 is about 9922.1403436960. The cubic root of 98448869 is about 461.7464626515.

The spelling of 98448869 in words is "ninety-eight million, four hundred forty-eight thousand, eight hundred sixty-nine".