384965128 has 16 divisors (see below), whose sum is σ = 722018880. Its totient is φ = 192426768.

The previous prime is 384965107. The next prime is 384965143. The reversal of 384965128 is 821569483.

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, 46125 + ... + 53827.

It is an arithmetic number, because the mean of its divisors is an integer number (45126180).

Almost surely, 2^384965128 is an apocalyptic number.

It is an amenable number.

384965128 is a deficient number, since it is larger than the sum of its proper divisors (337053752).

384965128 is a wasteful number, since it uses less digits than its factorization.

384965128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956 (or 13952 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 384965128 is about 19620.5282293826. The cubic root of 384965128 is about 727.4566700299.

The spelling of 384965128 in words is "three hundred eighty-four million, nine hundred sixty-five thousand, one hundred twenty-eight".