98419999 has 2 divisors, whose sum is σ = 98420000. Its totient is φ = 98419998.

The previous prime is 98419973. The next prime is 98420029. The reversal of 98419999 is 99991489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98419999 - 2¹¹ = 98417951 is a prime.

It is a Chen prime.

98419999 is a modest number, since divided by 9999 gives 9841 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98419199) 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, 49209999 + 49210000.

It is an arithmetic number, because the mean of its divisors is an integer number (49210000).

Almost surely, 2^98419999 is an apocalyptic number.

98419999 is a deficient number, since it is larger than the sum of its proper divisors (1).

98419999 is an equidigital number, since it uses as much as digits as its factorization.

98419999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 58.

The square root of 98419999 is about 9920.6854097890. The cubic root of 98419999 is about 461.7013227266.

The spelling of 98419999 in words is "ninety-eight million, four hundred nineteen thousand, nine hundred ninety-nine".