98398129 has 2 divisors, whose sum is σ = 98398130. Its totient is φ = 98398128.

The previous prime is 98398127. The next prime is 98398141. The reversal of 98398129 is 92189389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 388129 = 9900^2 + 623^2 .

It is an emirp because it is prime and its reverse (92189389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98398129 - 2¹ = 98398127 is a prime.

Together with 98398127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98398121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49199064 + 49199065.

It is an arithmetic number, because the mean of its divisors is an integer number (49199065).

Almost surely, 2^98398129 is an apocalyptic number.

It is an amenable number.

98398129 is a deficient number, since it is larger than the sum of its proper divisors (1).

98398129 is an equidigital number, since it uses as much as digits as its factorization.

98398129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 98398129 is about 9919.5831061593. The cubic root of 98398129 is about 461.6671218324.

The spelling of 98398129 in words is "ninety-eight million, three hundred ninety-eight thousand, one hundred twenty-nine".