98431199 has 2 divisors, whose sum is σ = 98431200. Its totient is φ = 98431198.

The previous prime is 98431187. The next prime is 98431213. The reversal of 98431199 is 99113489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98431199 - 2⁴ = 98431183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98431129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49215599 + 49215600.

It is an arithmetic number, because the mean of its divisors is an integer number (49215600).

Almost surely, 2^98431199 is an apocalyptic number.

98431199 is a deficient number, since it is larger than the sum of its proper divisors (1).

98431199 is an equidigital number, since it uses as much as digits as its factorization.

98431199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The square root of 98431199 is about 9921.2498708580. The cubic root of 98431199 is about 461.7188356262.

The spelling of 98431199 in words is "ninety-eight million, four hundred thirty-one thousand, one hundred ninety-nine".