384384478 has 8 divisors (see below), whose sum is σ = 606922920. Its totient is φ = 182076840.

The previous prime is 384384463. The next prime is 384384479. The reversal of 384384478 is 874483483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384384479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057653 + ... + 5057728.

It is an arithmetic number, because the mean of its divisors is an integer number (75865365).

Almost surely, 2^384384478 is an apocalyptic number.

384384478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

384384478 is a deficient number, since it is larger than the sum of its proper divisors (222538442).

384384478 is a wasteful number, since it uses less digits than its factorization.

384384478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115402.

The product of its digits is 2064384, while the sum is 49.

The square root of 384384478 is about 19605.7256432910. The cubic root of 384384478 is about 727.0907405530.

The spelling of 384384478 in words is "three hundred eighty-four million, three hundred eighty-four thousand, four hundred seventy-eight".