6394144 has 24 divisors (see below), whose sum is σ = 12661488. Its totient is φ = 3178560.

The previous prime is 6394133. The next prime is 6394147. The reversal of 6394144 is 4414936.

It is not an unprimeable number, because it can be changed into a prime (6394147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6279 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (527562).

Almost surely, 2^6394144 is an apocalyptic number.

It is an amenable number.

6394144 is a deficient number, since it is larger than the sum of its proper divisors (6267344).

6394144 is a wasteful number, since it uses less digits than its factorization.

6394144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1160 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 6394144 is about 2528.6644696361. The cubic root of 6394144 is about 185.6069086806.

The spelling of 6394144 in words is "six million, three hundred ninety-four thousand, one hundred forty-four".