389567 has 2 divisors, whose sum is σ = 389568. Its totient is φ = 389566.

The previous prime is 389563. The next prime is 389569. The reversal of 389567 is 765983.

It is a strong prime.

It is an emirp because it is prime and its reverse (765983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389567 - 2² = 389563 is a prime.

Together with 389569, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194783 + 194784.

It is an arithmetic number, because the mean of its divisors is an integer number (194784).

2³⁸⁹⁵⁶⁷ is an apocalyptic number.

389567 is a deficient number, since it is larger than the sum of its proper divisors (1).

389567 is an equidigital number, since it uses as much as digits as its factorization.

389567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 389567 is about 624.1530261082. The cubic root of 389567 is about 73.0343867519.

The spelling of 389567 in words is "three hundred eighty-nine thousand, five hundred sixty-seven".