6378980 has 12 divisors (see below), whose sum is σ = 13395900. Its totient is φ = 2551584.

The previous prime is 6378979. The next prime is 6378989. The reversal of 6378980 is 898736.

It can be written as a sum of positive squares in 2 ways, for example, as 2630884 + 3748096 = 1622^2 + 1936^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6378989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 159455 + ... + 159494.

It is an arithmetic number, because the mean of its divisors is an integer number (1116325).

Almost surely, 2^6378980 is an apocalyptic number.

It is an amenable number.

6378980 is an abundant number, since it is smaller than the sum of its proper divisors (7016920).

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

6378980 is a wasteful number, since it uses less digits than its factorization.

6378980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318958 (or 318956 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6378980 is about 2525.6642690587. The cubic root of 6378980 is about 185.4600674960.

The spelling of 6378980 in words is "six million, three hundred seventy-eight thousand, nine hundred eighty".