6381878 has 8 divisors (see below), whose sum is σ = 9615672. Its totient is φ = 3176656.

The previous prime is 6381863. The next prime is 6381899. The reversal of 6381878 is 8781836.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575 + ... + 7482.

It is an arithmetic number, because the mean of its divisors is an integer number (1201959).

Almost surely, 2^6381878 is an apocalyptic number.

6381878 is a deficient number, since it is larger than the sum of its proper divisors (3233794).

6381878 is a wasteful number, since it uses less digits than its factorization.

6381878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286.

The product of its digits is 64512, while the sum is 41.

The square root of 6381878 is about 2526.2379143699. The cubic root of 6381878 is about 185.4881483650.

The spelling of 6381878 in words is "six million, three hundred eighty-one thousand, eight hundred seventy-eight".