389460189 has 16 divisors (see below), whose sum is σ = 543271680. Its totient is φ = 247914240.

The previous prime is 389460179. The next prime is 389460193. The reversal of 389460189 is 981064983.

It is not a de Polignac number, because 389460189 - 2¹⁹ = 388935901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389460179) 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, 27904 + ... + 39465.

It is an arithmetic number, because the mean of its divisors is an integer number (33954480).

Almost surely, 2^389460189 is an apocalyptic number.

It is an amenable number.

389460189 is a deficient number, since it is larger than the sum of its proper divisors (153811491).

389460189 is a wasteful number, since it uses less digits than its factorization.

389460189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67460.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 389460189 is about 19734.7457292968. The cubic root of 389460189 is about 730.2771131575.

The spelling of 389460189 in words is "three hundred eighty-nine million, four hundred sixty thousand, one hundred eighty-nine".