389309359 has 4 divisors (see below), whose sum is σ = 389354104. Its totient is φ = 389264616.

The previous prime is 389309357. The next prime is 389309387. The reversal of 389309359 is 953903983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 953903983 = 17 ⋅56111999.

It is a cyclic number.

It is not a de Polignac number, because 389309359 - 2¹ = 389309357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389309351) 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 3 ways as a sum of consecutive naturals, for example, 4632 + ... + 28285.

It is an arithmetic number, because the mean of its divisors is an integer number (97338526).

Almost surely, 2^389309359 is an apocalyptic number.

389309359 is a deficient number, since it is larger than the sum of its proper divisors (44745).

389309359 is a wasteful number, since it uses less digits than its factorization.

389309359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44744.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 389309359 is about 19730.9239266690. The cubic root of 389309359 is about 730.1828271667.

The spelling of 389309359 in words is "three hundred eighty-nine million, three hundred nine thousand, three hundred fifty-nine".