384478027 has 16 divisors (see below), whose sum is σ = 414892800. Its totient is φ = 355461120.

The previous prime is 384478021. The next prime is 384478099. The reversal of 384478027 is 720874483.

It is not a de Polignac number, because 384478027 - 2³ = 384478019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384478021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84999 + ... + 89407.

It is an arithmetic number, because the mean of its divisors is an integer number (25930800).

Almost surely, 2^384478027 is an apocalyptic number.

384478027 is a deficient number, since it is larger than the sum of its proper divisors (30414773).

384478027 is a wasteful number, since it uses less digits than its factorization.

384478027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 384478027 is about 19608.1112552943. Note that the first 3 decimals coincide. The cubic root of 384478027 is about 727.1497206440.

The spelling of 384478027 in words is "three hundred eighty-four million, four hundred seventy-eight thousand, twenty-seven".