6396736 has 28 divisors (see below), whose sum is σ = 12809728. Its totient is φ = 3169152.

The previous prime is 6396707. The next prime is 6396751. The reversal of 6396736 is 6376936.

6396736 is an admirable number.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 9 + 6⁴ + 7⁵ + 3¹⁴ + 6⁴ .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7735 + ... + 8521.

Almost surely, 2^6396736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6396736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6404864).

6396736 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6396736 is a wasteful number, since it uses less digits than its factorization.

6396736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 916 counting only the distinct ones).

The product of its digits is 122472, while the sum is 40.

The square root of 6396736 is about 2529.1769412202. The cubic root of 6396736 is about 185.6319851732.

The spelling of 6396736 in words is "six million, three hundred ninety-six thousand, seven hundred thirty-six".