6394736 has 20 divisors (see below), whose sum is σ = 12929232. Its totient is φ = 3058176.

The previous prime is 6394733. The next prime is 6394741. The reversal of 6394736 is 6374936.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6394736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394733) 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, 8321 + ... + 9056.

Almost surely, 2^6394736 is an apocalyptic number.

It is an amenable number.

6394736 is an abundant number, since it is smaller than the sum of its proper divisors (6534496).

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

6394736 is a wasteful number, since it uses less digits than its factorization.

6394736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408 (or 17402 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 6394736 is about 2528.7815247664. The cubic root of 6394736 is about 185.6126366247.

The spelling of 6394736 in words is "six million, three hundred ninety-four thousand, seven hundred thirty-six".