384991016 has 16 divisors (see below), whose sum is σ = 730996800. Its totient is φ = 190058544.

The previous prime is 384991007. The next prime is 384991049. The reversal of 384991016 is 610199483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303950 + ... + 305213.

It is an arithmetic number, because the mean of its divisors is an integer number (45687300).

Almost surely, 2^384991016 is an apocalyptic number.

It is an amenable number.

384991016 is a deficient number, since it is larger than the sum of its proper divisors (346005784).

384991016 is a wasteful number, since it uses less digits than its factorization.

384991016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609248 (or 609244 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 384991016 is about 19621.1879354946. The cubic root of 384991016 is about 727.4729762481.

The spelling of 384991016 in words is "three hundred eighty-four million, nine hundred ninety-one thousand, sixteen".