108298709 has 2 divisors, whose sum is σ = 108298710. Its totient is φ = 108298708.

The previous prime is 108298693. The next prime is 108298739. The reversal of 108298709 is 907892801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 5276209 = 10150^2 + 2297^2 .

It is an emirp because it is prime and its reverse (907892801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108298709 - 2⁴ = 108298693 is a prime.

It is a super-2 number, since 2×108298709² = 23457220742133362, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108298709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108298739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54149354 + 54149355.

It is an arithmetic number, because the mean of its divisors is an integer number (54149355).

Almost surely, 2^108298709 is an apocalyptic number.

It is an amenable number.

108298709 is a deficient number, since it is larger than the sum of its proper divisors (1).

108298709 is an equidigital number, since it uses as much as digits as its factorization.

108298709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 108298709 is about 10406.6665652360. Note that the first 3 decimals coincide. The cubic root of 108298709 is about 476.6589586400.

The spelling of 108298709 in words is "one hundred eight million, two hundred ninety-eight thousand, seven hundred nine".