384475978 has 32 divisors (see below), whose sum is σ = 625968000. Its totient is φ = 176438784.

The previous prime is 384475969. The next prime is 384475999. The reversal of 384475978 is 879574483.

384475978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274123 + ... + 275521.

It is an arithmetic number, because the mean of its divisors is an integer number (19561500).

Almost surely, 2^384475978 is an apocalyptic number.

384475978 is a deficient number, since it is larger than the sum of its proper divisors (241492022).

384475978 is a wasteful number, since it uses less digits than its factorization.

384475978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its digits is 6773760, while the sum is 55.

The square root of 384475978 is about 19608.0590064392. The cubic root of 384475978 is about 727.1484289079.

The spelling of 384475978 in words is "three hundred eighty-four million, four hundred seventy-five thousand, nine hundred seventy-eight".