6378849 has 12 divisors (see below), whose sum is σ = 9282000. Its totient is φ = 4221144.

The previous prime is 6378847. The next prime is 6378863. The reversal of 6378849 is 9488736.

It is a happy number.

6378849 is a `hidden beast` number, since 637 + 8 + 8 + 4 + 9 = 666.

It is not a de Polignac number, because 6378849 - 2¹ = 6378847 is a prime.

It is a d-powerful number, because it can be written as 6 + 3¹³ + 7 + 8 + 8³ + 4⁵ + 9⁷ .

It is not an unprimeable number, because it can be changed into a prime (6378847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (773500).

Almost surely, 2^6378849 is an apocalyptic number.

It is an amenable number.

6378849 is a deficient number, since it is larger than the sum of its proper divisors (2903151).

6378849 is a wasteful number, since it uses less digits than its factorization.

6378849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244 (or 5241 counting only the distinct ones).

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

The square root of 6378849 is about 2525.6383351541. The cubic root of 6378849 is about 185.4587979391.

It can be divided in two parts, 6378 and 849, that added together give a palindrome (7227).

The spelling of 6378849 in words is "six million, three hundred seventy-eight thousand, eight hundred forty-nine".