389265379 has 2 divisors, whose sum is σ = 389265380. Its totient is φ = 389265378.

The previous prime is 389265323. The next prime is 389265389. The reversal of 389265379 is 973562983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389265379 - 2⁹ = 389264867 is a prime.

It is not a weakly prime, because it can be changed into another prime (389265389) 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, 194632689 + 194632690.

It is an arithmetic number, because the mean of its divisors is an integer number (194632690).

Almost surely, 2^389265379 is an apocalyptic number.

389265379 is a deficient number, since it is larger than the sum of its proper divisors (1).

389265379 is an equidigital number, since it uses as much as digits as its factorization.

389265379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The square root of 389265379 is about 19729.8094010054. The cubic root of 389265379 is about 730.1553300539.

The spelling of 389265379 in words is "three hundred eighty-nine million, two hundred sixty-five thousand, three hundred seventy-nine".