389673311 has 2 divisors, whose sum is σ = 389673312. Its totient is φ = 389673310.

The previous prime is 389673283. The next prime is 389673313. The reversal of 389673311 is 113376983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389673311 - 2⁶ = 389673247 is a prime.

Together with 389673313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389673313) 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, 194836655 + 194836656.

It is an arithmetic number, because the mean of its divisors is an integer number (194836656).

Almost surely, 2^389673311 is an apocalyptic number.

389673311 is a deficient number, since it is larger than the sum of its proper divisors (1).

389673311 is an equidigital number, since it uses as much as digits as its factorization.

389673311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 389673311 is about 19740.1446549918. The cubic root of 389673311 is about 730.4102972777.

The spelling of 389673311 in words is "three hundred eighty-nine million, six hundred seventy-three thousand, three hundred eleven".