389383268 has 12 divisors (see below), whose sum is σ = 683599980. Its totient is φ = 194068992.

The previous prime is 389383259. The next prime is 389383271. The reversal of 389383268 is 862383983.

It can be written as a sum of positive squares in 2 ways, for example, as 50013184 + 339370084 = 7072^2 + 18422^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 154253 + ... + 156756.

It is an arithmetic number, because the mean of its divisors is an integer number (56966665).

Almost surely, 2^389383268 is an apocalyptic number.

It is an amenable number.

389383268 is a deficient number, since it is larger than the sum of its proper divisors (294216712).

389383268 is a wasteful number, since it uses less digits than its factorization.

389383268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311326 (or 311324 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 389383268 is about 19732.7967607230. The cubic root of 389383268 is about 730.2290317823.

The spelling of 389383268 in words is "three hundred eighty-nine million, three hundred eighty-three thousand, two hundred sixty-eight".