98538939 has 6 divisors (see below), whose sum is σ = 142334036. Its totient is φ = 65692620.

The previous prime is 98538917. The next prime is 98538941. The reversal of 98538939 is 93983589.

It is not a de Polignac number, because 98538939 - 2²³ = 90150331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98538439) 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 in 5 ways as a sum of consecutive naturals, for example, 5474377 + ... + 5474394.

Almost surely, 2^98538939 is an apocalyptic number.

98538939 is a deficient number, since it is larger than the sum of its proper divisors (43795097).

98538939 is a wasteful number, since it uses less digits than its factorization.

98538939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948777 (or 10948774 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 98538939 is about 9926.6781452810. The cubic root of 98538939 is about 461.8872356486.

The spelling of 98538939 in words is "ninety-eight million, five hundred thirty-eight thousand, nine hundred thirty-nine".