108347689 has 2 divisors, whose sum is σ = 108347690. Its totient is φ = 108347688.

The previous prime is 108347669. The next prime is 108347713. The reversal of 108347689 is 986743801.

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., 107993664 + 354025 = 10392^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108347689 is a prime.

It is not a weakly prime, because it can be changed into another prime (108347669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54173844 + 54173845.

It is an arithmetic number, because the mean of its divisors is an integer number (54173845).

Almost surely, 2^108347689 is an apocalyptic number.

It is an amenable number.

108347689 is a deficient number, since it is larger than the sum of its proper divisors (1).

108347689 is an equidigital number, since it uses as much as digits as its factorization.

108347689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 108347689 is about 10409.0195984060. The cubic root of 108347689 is about 476.7308069480.

The spelling of 108347689 in words is "one hundred eight million, three hundred forty-seven thousand, six hundred eighty-nine".