108349889 has 2 divisors, whose sum is σ = 108349890. Its totient is φ = 108349888.

The previous prime is 108349883. The next prime is 108349903. The reversal of 108349889 is 988943801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101103025 + 7246864 = 10055^2 + 2692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108349889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (108349883) 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, 54174944 + 54174945.

It is an arithmetic number, because the mean of its divisors is an integer number (54174945).

Almost surely, 2^108349889 is an apocalyptic number.

It is an amenable number.

108349889 is a deficient number, since it is larger than the sum of its proper divisors (1).

108349889 is an equidigital number, since it uses as much as digits as its factorization.

108349889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 108349889 is about 10409.1252754494. The cubic root of 108349889 is about 476.7340335995.

The spelling of 108349889 in words is "one hundred eight million, three hundred forty-nine thousand, eight hundred eighty-nine".