98539829 has 2 divisors, whose sum is σ = 98539830. Its totient is φ = 98539828.

The previous prime is 98539823. The next prime is 98539849. The reversal of 98539829 is 92893589.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93566929 + 4972900 = 9673^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 98539829 - 2²⁰ = 97491253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98539823) 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 as a sum of consecutive naturals, namely, 49269914 + 49269915.

It is an arithmetic number, because the mean of its divisors is an integer number (49269915).

Almost surely, 2^98539829 is an apocalyptic number.

It is an amenable number.

98539829 is a deficient number, since it is larger than the sum of its proper divisors (1).

98539829 is an equidigital number, since it uses as much as digits as its factorization.

98539829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The square root of 98539829 is about 9926.7229738721. The cubic root of 98539829 is about 461.8886262271. Note that the first 3 decimals are identical.

The spelling of 98539829 in words is "ninety-eight million, five hundred thirty-nine thousand, eight hundred twenty-nine".