98246821 has 2 divisors, whose sum is σ = 98246822. Its totient is φ = 98246820.

The previous prime is 98246807. The next prime is 98246861. The reversal of 98246821 is 12864289.

It is an a-pointer prime, because the next prime (98246861) can be obtained adding 98246821 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97416900 + 829921 = 9870^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 98246821 - 2²³ = 89858213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98246861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49123410 + 49123411.

It is an arithmetic number, because the mean of its divisors is an integer number (49123411).

Almost surely, 2^98246821 is an apocalyptic number.

It is an amenable number.

98246821 is a deficient number, since it is larger than the sum of its proper divisors (1).

98246821 is an equidigital number, since it uses as much as digits as its factorization.

98246821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 98246821 is about 9911.9534401651. The cubic root of 98246821 is about 461.4303633856.

The spelling of 98246821 in words is "ninety-eight million, two hundred forty-six thousand, eight hundred twenty-one".