389921167 has 2 divisors, whose sum is σ = 389921168. Its totient is φ = 389921166.

The previous prime is 389921141. The next prime is 389921201. The reversal of 389921167 is 761129983.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389921167 - 2¹⁵ = 389888399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389922167) 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, 194960583 + 194960584.

It is an arithmetic number, because the mean of its divisors is an integer number (194960584).

Almost surely, 2^389921167 is an apocalyptic number.

389921167 is a deficient number, since it is larger than the sum of its proper divisors (1).

389921167 is an equidigital number, since it uses as much as digits as its factorization.

389921167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 389921167 is about 19746.4216251958. The cubic root of 389921167 is about 730.5651262927.

The spelling of 389921167 in words is "three hundred eighty-nine million, nine hundred twenty-one thousand, one hundred sixty-seven".