108489189 has 16 divisors (see below), whose sum is σ = 153515520. Its totient is φ = 67914240.

The previous prime is 108489127. The next prime is 108489233. The reversal of 108489189 is 981984801.

It is not a de Polignac number, because 108489189 - 2⁷ = 108489061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108489109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22209 + ... + 26649.

It is an arithmetic number, because the mean of its divisors is an integer number (9594720).

Almost surely, 2^108489189 is an apocalyptic number.

It is an amenable number.

108489189 is a deficient number, since it is larger than the sum of its proper divisors (45026331).

108489189 is a wasteful number, since it uses less digits than its factorization.

108489189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 108489189 is about 10415.8143704657. The cubic root of 108489189 is about 476.9382504264.

The spelling of 108489189 in words is "one hundred eight million, four hundred eighty-nine thousand, one hundred eighty-nine".