98539911 has 6 divisors (see below), whose sum is σ = 142335440. Its totient is φ = 65693268.

The previous prime is 98539907. The next prime is 98539921. The reversal of 98539911 is 11993589.

It is not a de Polignac number, because 98539911 - 2² = 98539907 is a prime.

It is a super-2 number, since 2×98539911² = 19420228119775842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98539901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5474431 + ... + 5474448.

Almost surely, 2^98539911 is an apocalyptic number.

98539911 is a deficient number, since it is larger than the sum of its proper divisors (43795529).

98539911 is a wasteful number, since it uses less digits than its factorization.

98539911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948885 (or 10948882 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 98539911 is about 9926.7271041366. The cubic root of 98539911 is about 461.8887543474. Note that the first 3 decimals are identical.

The spelling of 98539911 in words is "ninety-eight million, five hundred thirty-nine thousand, nine hundred eleven".