6384878 has 4 divisors (see below), whose sum is σ = 9577320. Its totient is φ = 3192438.

The previous prime is 6384863. The next prime is 6384881. The reversal of 6384878 is 8784836.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596218 + ... + 1596221.

It is an arithmetic number, because the mean of its divisors is an integer number (2394330).

Almost surely, 2^6384878 is an apocalyptic number.

6384878 is a deficient number, since it is larger than the sum of its proper divisors (3192442).

6384878 is a wasteful number, since it uses less digits than its factorization.

6384878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192441.

The product of its digits is 258048, while the sum is 44.

The square root of 6384878 is about 2526.8316129097. The cubic root of 6384878 is about 185.5172086340.

The spelling of 6384878 in words is "six million, three hundred eighty-four thousand, eight hundred seventy-eight".