108603889 has 2 divisors, whose sum is σ = 108603890. Its totient is φ = 108603888.

The previous prime is 108603839. The next prime is 108603893. The reversal of 108603889 is 988306801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108513889 + 90000 = 10417^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 108603889 - 2²¹ = 106506737 is a prime.

It is not a weakly prime, because it can be changed into another prime (108603839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54301944 + 54301945.

It is an arithmetic number, because the mean of its divisors is an integer number (54301945).

Almost surely, 2^108603889 is an apocalyptic number.

It is an amenable number.

108603889 is a deficient number, since it is larger than the sum of its proper divisors (1).

108603889 is an equidigital number, since it uses as much as digits as its factorization.

108603889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 108603889 is about 10421.3189664265. The cubic root of 108603889 is about 477.1062719294.

The spelling of 108603889 in words is "one hundred eight million, six hundred three thousand, eight hundred eighty-nine".