6378396 has 24 divisors (see below), whose sum is σ = 14928144. Its totient is φ = 2119680.

The previous prime is 6378389. The next prime is 6378397. The reversal of 6378396 is 6938736.

It is a d-powerful number, because it can be written as 6 + 3³ + 7³ + 8³ + 3¹³ + 9⁷ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378397) 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 7 ways as a sum of consecutive naturals, for example, 4956 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (622006).

Almost surely, 2^6378396 is an apocalyptic number.

It is an amenable number.

6378396 is an abundant number, since it is smaller than the sum of its proper divisors (8549748).

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

6378396 is a wasteful number, since it uses less digits than its factorization.

6378396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 6378396 is about 2525.5486532633. The cubic root of 6378396 is about 185.4544076578.

The spelling of 6378396 in words is "six million, three hundred seventy-eight thousand, three hundred ninety-six".