384671878 has 8 divisors (see below), whose sum is σ = 579595968. Its totient is φ = 191473224.

The previous prime is 384671873. The next prime is 384671887. The reversal of 384671878 is 878176483.

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 (384671873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430801 + ... + 431692.

It is an arithmetic number, because the mean of its divisors is an integer number (72449496).

Almost surely, 2^384671878 is an apocalyptic number.

384671878 is a deficient number, since it is larger than the sum of its proper divisors (194924090).

384671878 is a wasteful number, since it uses less digits than its factorization.

384671878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862718.

The product of its digits is 1806336, while the sum is 52.

The square root of 384671878 is about 19613.0537652860. The cubic root of 384671878 is about 727.2719079621.

The spelling of 384671878 in words is "three hundred eighty-four million, six hundred seventy-one thousand, eight hundred seventy-eight".