98986829 has 2 divisors, whose sum is σ = 98986830. Its totient is φ = 98986828.

The previous prime is 98986799. The next prime is 98986843. The reversal of 98986829 is 92868989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94672900 + 4313929 = 9730^2 + 2077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98986829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98988829) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49493414 + 49493415.

It is an arithmetic number, because the mean of its divisors is an integer number (49493415).

Almost surely, 2^98986829 is an apocalyptic number.

It is an amenable number.

98986829 is a deficient number, since it is larger than the sum of its proper divisors (1).

98986829 is an equidigital number, since it uses as much as digits as its factorization.

98986829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 59.

The square root of 98986829 is about 9949.2124813977. The cubic root of 98986829 is about 462.5859848898.

The spelling of 98986829 in words is "ninety-eight million, nine hundred eighty-six thousand, eight hundred twenty-nine".