6394988 has 12 divisors (see below), whose sum is σ = 11245752. Its totient is φ = 3181920.

The previous prime is 6394981. The next prime is 6395047. The reversal of 6394988 is 8894936.

It is not an unprimeable number, because it can be changed into a prime (6394981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (937146).

Almost surely, 2^6394988 is an apocalyptic number.

It is an amenable number.

6394988 is a deficient number, since it is larger than the sum of its proper divisors (4850764).

6394988 is a wasteful number, since it uses less digits than its factorization.

6394988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792 (or 7790 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 6394988 is about 2528.8313506440. The cubic root of 6394988 is about 185.6150747640.

The spelling of 6394988 in words is "six million, three hundred ninety-four thousand, nine hundred eighty-eight".