389659339 has 4 divisors (see below), whose sum is σ = 397011456. Its totient is φ = 382307224.

The previous prime is 389659267. The next prime is 389659343. The reversal of 389659339 is 933956983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389659339 - 2¹¹ = 389657291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389659339.

It is not an unprimeable number, because it can be changed into a prime (389659639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675979 + ... + 3676084.

It is an arithmetic number, because the mean of its divisors is an integer number (99252864).

Almost surely, 2^389659339 is an apocalyptic number.

389659339 is a deficient number, since it is larger than the sum of its proper divisors (7352117).

389659339 is an equidigital number, since it uses as much as digits as its factorization.

389659339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352116.

The product of its digits is 4723920, while the sum is 55.

The square root of 389659339 is about 19739.7907537035. The cubic root of 389659339 is about 730.4015673884.

The spelling of 389659339 in words is "three hundred eighty-nine million, six hundred fifty-nine thousand, three hundred thirty-nine".