98820481 has 2 divisors, whose sum is σ = 98820482. Its totient is φ = 98820480.

The previous prime is 98820437. The next prime is 98820497. The reversal of 98820481 is 18402889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 36663025 = 7884^2 + 6055^2 .

It is an emirp because it is prime and its reverse (18402889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98820481 - 2¹⁵ = 98787713 is a prime.

It is a super-2 number, since 2×98820481² = 19530974930142722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98820431) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49410240 + 49410241.

It is an arithmetic number, because the mean of its divisors is an integer number (49410241).

Almost surely, 2^98820481 is an apocalyptic number.

It is an amenable number.

98820481 is a deficient number, since it is larger than the sum of its proper divisors (1).

98820481 is an equidigital number, since it uses as much as digits as its factorization.

98820481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 98820481 is about 9940.8491086023. The cubic root of 98820481 is about 462.3267133631.

The spelling of 98820481 in words is "ninety-eight million, eight hundred twenty thousand, four hundred eighty-one".