389867 has 2 divisors, whose sum is σ = 389868. Its totient is φ = 389866.

The previous prime is 389849. The next prime is 389891. The reversal of 389867 is 768983.

It is a weak prime.

It is an emirp because it is prime and its reverse (768983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389867 - 2¹² = 385771 is a prime.

It is not a weakly prime, because it can be changed into another prime (389897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194933 + 194934.

It is an arithmetic number, because the mean of its divisors is an integer number (194934).

2³⁸⁹⁸⁶⁷ is an apocalyptic number.

389867 is a deficient number, since it is larger than the sum of its proper divisors (1).

389867 is an equidigital number, since it uses as much as digits as its factorization.

389867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 389867 is about 624.3933055375. The cubic root of 389867 is about 73.0531295220.

The spelling of 389867 in words is "three hundred eighty-nine thousand, eight hundred sixty-seven".