389467688 has 16 divisors (see below), whose sum is σ = 773208180. Its totient is φ = 183278848.

The previous prime is 389467679. The next prime is 389467693. The reversal of 389467688 is 886764983.

It can be written as a sum of positive squares in 2 ways, for example, as 387223684 + 2244004 = 19678^2 + 1498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431731 + ... + 1432002.

Almost surely, 2^389467688 is an apocalyptic number.

It is an amenable number.

389467688 is a deficient number, since it is larger than the sum of its proper divisors (383740492).

389467688 is a wasteful number, since it uses less digits than its factorization.

389467688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863756 (or 2863752 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 389467688 is about 19734.9357232295. The cubic root of 389467688 is about 730.2818002544.

The spelling of 389467688 in words is "three hundred eighty-nine million, four hundred sixty-seven thousand, six hundred eighty-eight".