98481839 has 2 divisors, whose sum is σ = 98481840. Its totient is φ = 98481838.

The previous prime is 98481821. The next prime is 98481841. The reversal of 98481839 is 93818489.

It is a strong prime.

It is an emirp because it is prime and its reverse (93818489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98481839 - 2²⁰ = 97433263 is a prime.

It is a super-2 number, since 2×98481839² = 19397345225643842, which contains 22 as substring.

Together with 98481841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98481809) 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, 49240919 + 49240920.

It is an arithmetic number, because the mean of its divisors is an integer number (49240920).

Almost surely, 2^98481839 is an apocalyptic number.

98481839 is a deficient number, since it is larger than the sum of its proper divisors (1).

98481839 is an equidigital number, since it uses as much as digits as its factorization.

98481839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 98481839 is about 9923.8016405005. The cubic root of 98481839 is about 461.7980023726.

It can be divided in two parts, 9 and 8481839, that added together give a palindrome (8481848).

The spelling of 98481839 in words is "ninety-eight million, four hundred eighty-one thousand, eight hundred thirty-nine".