98318999 has 2 divisors, whose sum is σ = 98319000. Its totient is φ = 98318998.

The previous prime is 98318993. The next prime is 98319029. The reversal of 98318999 is 99981389.

It is a weak prime.

It is an emirp because it is prime and its reverse (99981389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98318999 - 2⁸ = 98318743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98318993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49159499 + 49159500.

It is an arithmetic number, because the mean of its divisors is an integer number (49159500).

Almost surely, 2^98318999 is an apocalyptic number.

98318999 is a deficient number, since it is larger than the sum of its proper divisors (1).

98318999 is an equidigital number, since it uses as much as digits as its factorization.

98318999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 56.

The square root of 98318999 is about 9915.5937290714. The cubic root of 98318999 is about 461.5433338538.

The spelling of 98318999 in words is "ninety-eight million, three hundred eighteen thousand, nine hundred ninety-nine".