384681368 has 8 divisors (see below), whose sum is σ = 721277580. Its totient is φ = 192340680.

The previous prime is 384681361. The next prime is 384681377. The reversal of 384681368 is 863186483.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384681361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24042578 + ... + 24042593.

Almost surely, 2^384681368 is an apocalyptic number.

It is an amenable number.

384681368 is a deficient number, since it is larger than the sum of its proper divisors (336596212).

384681368 is a wasteful number, since it uses less digits than its factorization.

384681368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48085177 (or 48085173 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 384681368 is about 19613.2956945027. The cubic root of 384681368 is about 727.2778886035.

The spelling of 384681368 in words is "three hundred eighty-four million, six hundred eighty-one thousand, three hundred sixty-eight".