384881064 has 16 divisors (see below), whose sum is σ = 962202720. Its totient is φ = 128293680.

The previous prime is 384881053. The next prime is 384881083. The reversal of 384881064 is 460188483.

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, 8018332 + ... + 8018379.

It is an arithmetic number, because the mean of its divisors is an integer number (60137670).

Almost surely, 2^384881064 is an apocalyptic number.

It is an amenable number.

384881064 is an abundant number, since it is smaller than the sum of its proper divisors (577321656).

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

384881064 is a wasteful number, since it uses less digits than its factorization.

384881064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16036720 (or 16036716 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 384881064 is about 19618.3858663245. The cubic root of 384881064 is about 727.4037151301.

The spelling of 384881064 in words is "three hundred eighty-four million, eight hundred eighty-one thousand, sixty-four".