6378912 has 120 divisors (see below), whose sum is σ = 19758816. Its totient is φ = 2014848.

The previous prime is 6378907. The next prime is 6378913. The reversal of 6378912 is 2198736.

6378912 is a `hidden beast` number, since 637 + 8 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6378913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59563 + ... + 59669.

Almost surely, 2^6378912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6378912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9879408).

6378912 is an abundant number, since it is smaller than the sum of its proper divisors (13379904).

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

6378912 is a wasteful number, since it uses less digits than its factorization.

6378912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 135 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6378912 is about 2525.6508072178. The cubic root of 6378912 is about 185.4594084915.

The spelling of 6378912 in words is "six million, three hundred seventy-eight thousand, nine hundred twelve".