389575109 has 48 divisors (see below), whose sum is σ = 520117248. Its totient is φ = 285120000.

The previous prime is 389575103. The next prime is 389575133. The reversal of 389575109 is 901575983.

It is not a de Polignac number, because 389575109 - 2¹⁶ = 389509573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389575103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 971309 + ... + 971709.

It is an arithmetic number, because the mean of its divisors is an integer number (10835776).

Almost surely, 2^389575109 is an apocalyptic number.

It is an amenable number.

389575109 is a deficient number, since it is larger than the sum of its proper divisors (130542139).

389575109 is a wasteful number, since it uses less digits than its factorization.

389575109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 389575109 is about 19737.6571304702. The cubic root of 389575109 is about 730.3489349551.

The spelling of 389575109 in words is "three hundred eighty-nine million, five hundred seventy-five thousand, one hundred nine".