384378784 has 24 divisors (see below), whose sum is σ = 772849728. Its totient is φ = 188099520.

The previous prime is 384378779. The next prime is 384378791. The reversal of 384378784 is 487873483.

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, 126282 + ... + 129289.

It is an arithmetic number, because the mean of its divisors is an integer number (32202072).

Almost surely, 2^384378784 is an apocalyptic number.

It is an amenable number.

384378784 is an abundant number, since it is smaller than the sum of its proper divisors (388470944).

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

384378784 is a wasteful number, since it uses less digits than its factorization.

384378784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255628 (or 255620 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The square root of 384378784 is about 19605.5804300714. The cubic root of 384378784 is about 727.0871503325.

The spelling of 384378784 in words is "three hundred eighty-four million, three hundred seventy-eight thousand, seven hundred eighty-four".