98889481 has 2 divisors, whose sum is σ = 98889482. Its totient is φ = 98889480.

The previous prime is 98889431. The next prime is 98889503. The reversal of 98889481 is 18498889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 34633225 = 8016^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 98889481 - 2⁷ = 98889353 is a prime.

It is a super-2 number, since 2×98889481² = 19558258904898722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98889431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49444740 + 49444741.

It is an arithmetic number, because the mean of its divisors is an integer number (49444741).

Almost surely, 2^98889481 is an apocalyptic number.

It is an amenable number.

98889481 is a deficient number, since it is larger than the sum of its proper divisors (1).

98889481 is an equidigital number, since it uses as much as digits as its factorization.

98889481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 55.

The square root of 98889481 is about 9944.3190314873. The cubic root of 98889481 is about 462.4342926864.

The spelling of 98889481 in words is "ninety-eight million, eight hundred eighty-nine thousand, four hundred eighty-one".