389012027 has 2 divisors, whose sum is σ = 389012028. Its totient is φ = 389012026.

The previous prime is 389012021. The next prime is 389012047. The reversal of 389012027 is 720210983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389012027 - 2¹⁰ = 389011003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389011984 and 389012002.

It is not a weakly prime, because it can be changed into another prime (389012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194506013 + 194506014.

It is an arithmetic number, because the mean of its divisors is an integer number (194506014).

Almost surely, 2^389012027 is an apocalyptic number.

389012027 is a deficient number, since it is larger than the sum of its proper divisors (1).

389012027 is an equidigital number, since it uses as much as digits as its factorization.

389012027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 389012027 is about 19723.3878175125. The cubic root of 389012027 is about 729.9968893343.

The spelling of 389012027 in words is "three hundred eighty-nine million, twelve thousand, twenty-seven".