98869 has 2 divisors, whose sum is σ = 98870. Its totient is φ = 98868.

The previous prime is 98867. The next prime is 98873. The reversal of 98869 is 96889.

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., 97969 + 900 = 313^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 98869 - 2¹ = 98867 is a prime.

It is a super-2 number, since 2×98869² = 19550158322, which contains 22 as substring.

Together with 98867, it forms a pair of twin primes.

It is a Chen prime.

98869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49434 + 49435.

It is an arithmetic number, because the mean of its divisors is an integer number (49435).

2⁹⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

98869 is a deficient number, since it is larger than the sum of its proper divisors (1).

98869 is an equidigital number, since it uses as much as digits as its factorization.

98869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 98869 is about 314.4344128749. The cubic root of 98869 is about 46.2402365561.

The spelling of 98869 in words is "ninety-eight thousand, eight hundred sixty-nine".