389743216 has 10 divisors (see below), whose sum is σ = 755127512. Its totient is φ = 194871600.

The previous prime is 389743201. The next prime is 389743247. The reversal of 389743216 is 612347983.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12179460 + ... + 12179491.

Almost surely, 2^389743216 is an apocalyptic number.

It is an amenable number.

389743216 is a deficient number, since it is larger than the sum of its proper divisors (365384296).

389743216 is a wasteful number, since it uses less digits than its factorization.

389743216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24358959 (or 24358953 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 389743216 is about 19741.9152059774. The cubic root of 389743216 is about 730.4539717074.

The spelling of 389743216 in words is "three hundred eighty-nine million, seven hundred forty-three thousand, two hundred sixteen".