6394549 has 16 divisors (see below), whose sum is σ = 7571200. Its totient is φ = 5397840.

The previous prime is 6394543. The next prime is 6394559. The reversal of 6394549 is 9454936.

It is not a de Polignac number, because 6394549 - 2⁵ = 6394517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394543) 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 15 ways as a sum of consecutive naturals, for example, 35239 + ... + 35419.

It is an arithmetic number, because the mean of its divisors is an integer number (473200).

Almost surely, 2^6394549 is an apocalyptic number.

It is an amenable number.

6394549 is a deficient number, since it is larger than the sum of its proper divisors (1176651).

6394549 is a wasteful number, since it uses less digits than its factorization.

6394549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 291 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 6394549 is about 2528.7445501671. The cubic root of 6394549 is about 185.6108273292.

The spelling of 6394549 in words is "six million, three hundred ninety-four thousand, five hundred forty-nine".