389108219 has 2 divisors, whose sum is σ = 389108220. Its totient is φ = 389108218.

The previous prime is 389108179. The next prime is 389108261. The reversal of 389108219 is 912801983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389108219 - 2⁸ = 389107963 is a prime.

It is a super-2 number, since 2×389108219² = 302810412186703922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (389108119) 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 as a sum of consecutive naturals, namely, 194554109 + 194554110.

It is an arithmetic number, because the mean of its divisors is an integer number (194554110).

Almost surely, 2^389108219 is an apocalyptic number.

389108219 is a deficient number, since it is larger than the sum of its proper divisors (1).

389108219 is an equidigital number, since it uses as much as digits as its factorization.

389108219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 389108219 is about 19725.8261930901. The cubic root of 389108219 is about 730.0570537756.

The spelling of 389108219 in words is "three hundred eighty-nine million, one hundred eight thousand, two hundred nineteen".