98638339 has 4 divisors (see below), whose sum is σ = 98850024. Its totient is φ = 98426656.

The previous prime is 98638327. The next prime is 98638343. The reversal of 98638339 is 93383689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98638339 - 2¹⁵ = 98605571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98638292 and 98638301.

It is not an unprimeable number, because it can be changed into a prime (98638349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105142 + ... + 106075.

It is an arithmetic number, because the mean of its divisors is an integer number (24712506).

Almost surely, 2^98638339 is an apocalyptic number.

98638339 is a deficient number, since it is larger than the sum of its proper divisors (211685).

98638339 is a wasteful number, since it uses less digits than its factorization.

98638339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211684.

The product of its digits is 839808, while the sum is 49.

The square root of 98638339 is about 9931.6835934297. The cubic root of 98638339 is about 462.0424912350.

The spelling of 98638339 in words is "ninety-eight million, six hundred thirty-eight thousand, three hundred thirty-nine".