6394864 has 20 divisors (see below), whose sum is σ = 14160304. Its totient is φ = 2740608.

The previous prime is 6394859. The next prime is 6394879. The reversal of 6394864 is 4684936.

It is a zygodrome in base 3.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 28437 + ... + 28660.

Almost surely, 2^6394864 is an apocalyptic number.

It is an amenable number.

6394864 is an abundant number, since it is smaller than the sum of its proper divisors (7765440).

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

6394864 is a wasteful number, since it uses less digits than its factorization.

6394864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57112 (or 57106 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 6394864 is about 2528.8068332714. The cubic root of 6394864 is about 185.6138750527.

The spelling of 6394864 in words is "six million, three hundred ninety-four thousand, eight hundred sixty-four".