389579 has 2 divisors, whose sum is σ = 389580. Its totient is φ = 389578.

The previous prime is 389569. The next prime is 389591. The reversal of 389579 is 975983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389579 - 2⁴ = 389563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (389539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194789 + 194790.

It is an arithmetic number, because the mean of its divisors is an integer number (194790).

2³⁸⁹⁵⁷⁹ is an apocalyptic number.

389579 is a deficient number, since it is larger than the sum of its proper divisors (1).

389579 is an equidigital number, since it uses as much as digits as its factorization.

389579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 389579 is about 624.1626390613. The cubic root of 389579 is about 73.0351366474.

The spelling of 389579 in words is "three hundred eighty-nine thousand, five hundred seventy-nine".