6819378 has 16 divisors (see below), whose sum is σ = 13665216. Its totient is φ = 2268720.

The previous prime is 6819377. The next prime is 6819383. The reversal of 6819378 is 8739186.

It is not an unprimeable number, because it can be changed into a prime (6819377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4248 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (854076).

Almost surely, 2^6819378 is an apocalyptic number.

6819378 is an abundant number, since it is smaller than the sum of its proper divisors (6845838).

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

6819378 is a wasteful number, since it uses less digits than its factorization.

6819378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its digits is 72576, while the sum is 42.

The square root of 6819378 is about 2611.3938806699. The cubic root of 6819378 is about 189.6334391519.

The spelling of 6819378 in words is "six million, eight hundred nineteen thousand, three hundred seventy-eight".