6395844 has 48 divisors (see below), whose sum is σ = 18370688. Its totient is φ = 1686528.

The previous prime is 6395839. The next prime is 6395861. The reversal of 6395844 is 4485936.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1837 + ... + 4020.

Almost surely, 2^6395844 is an apocalyptic number.

It is an amenable number.

6395844 is an abundant number, since it is smaller than the sum of its proper divisors (11974844).

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

6395844 is a wasteful number, since it uses less digits than its factorization.

6395844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5882 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 6395844 is about 2529.0005931197. Note that the first 3 decimals coincide. The cubic root of 6395844 is about 185.6233562189.

The spelling of 6395844 in words is "six million, three hundred ninety-five thousand, eight hundred forty-four".