384386784 has 48 divisors (see below), whose sum is σ = 1036295568. Its totient is φ = 124664832.

The previous prime is 384386771. The next prime is 384386801. The reversal of 384386784 is 487683483.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50557 + ... + 57660.

It is an arithmetic number, because the mean of its divisors is an integer number (21589491).

Almost surely, 2^384386784 is an apocalyptic number.

It is an amenable number.

384386784 is an abundant number, since it is smaller than the sum of its proper divisors (651908784).

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

384386784 is a wasteful number, since it uses less digits than its factorization.

384386784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108267 (or 108259 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 384386784 is about 19605.7844525538. The cubic root of 384386784 is about 727.0921945381.

The spelling of 384386784 in words is "three hundred eighty-four million, three hundred eighty-six thousand, seven hundred eighty-four".