6378894 has 12 divisors (see below), whose sum is σ = 13820976. Its totient is φ = 2126292.

The previous prime is 6378881. The next prime is 6378907. The reversal of 6378894 is 4988736.

It is a happy number.

6378894 is a `hidden beast` number, since 637 + 8 + 8 + 9 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6378881) and next prime (6378907).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177174 + ... + 177209.

It is an arithmetic number, because the mean of its divisors is an integer number (1151748).

Almost surely, 2^6378894 is an apocalyptic number.

6378894 is an abundant number, since it is smaller than the sum of its proper divisors (7442082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6378894 is a wasteful number, since it uses less digits than its factorization.

6378894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354391 (or 354388 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6378894 is about 2525.6472437773. The cubic root of 6378894 is about 185.4592340484.

The spelling of 6378894 in words is "six million, three hundred seventy-eight thousand, eight hundred ninety-four".