98680849 has 2 divisors, whose sum is σ = 98680850. Its totient is φ = 98680848.

The previous prime is 98680847. The next prime is 98680867. The reversal of 98680849 is 94808689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 35319249 = 7960^2 + 5943^2 .

It is a cyclic number.

It is not a de Polignac number, because 98680849 - 2¹ = 98680847 is a prime.

Together with 98680847, it forms a pair of twin primes.

It is equal to p_5689969 and since 98680849 and 5689969 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 98680796 and 98680805.

It is not a weakly prime, because it can be changed into another prime (98680847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49340424 + 49340425.

It is an arithmetic number, because the mean of its divisors is an integer number (49340425).

Almost surely, 2^98680849 is an apocalyptic number.

It is an amenable number.

98680849 is a deficient number, since it is larger than the sum of its proper divisors (1).

98680849 is an equidigital number, since it uses as much as digits as its factorization.

98680849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 98680849 is about 9933.8234834328. The cubic root of 98680849 is about 462.1088569287.

The spelling of 98680849 in words is "ninety-eight million, six hundred eighty thousand, eight hundred forty-nine".