384647312 has 20 divisors (see below), whose sum is σ = 851719296. Its totient is φ = 164848800.

The previous prime is 384647279. The next prime is 384647339. The reversal of 384647312 is 213746483.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 1717064 + ... + 1717287.

Almost surely, 2^384647312 is an apocalyptic number.

It is an amenable number.

384647312 is an abundant number, since it is smaller than the sum of its proper divisors (467071984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384647312 is a wasteful number, since it uses less digits than its factorization.

384647312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434366 (or 3434360 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 384647312 is about 19612.4274887124. The cubic root of 384647312 is about 727.2564258998.

The spelling of 384647312 in words is "three hundred eighty-four million, six hundred forty-seven thousand, three hundred twelve".