6396752 has 20 divisors (see below), whose sum is σ = 12437076. Its totient is φ = 3187200.

The previous prime is 6396751. The next prime is 6396773. The reversal of 6396752 is 2576936.

It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 364816 = 2456^2 + 604^2 .

It is a super-2 number, since 2×6396752² = 81836872299008, which contains 22 as substring.

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 d-powerful number, because it can be written as 6⁶ + 3¹² + 9⁴ + 6⁶ + 7⁸ + 5³ + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396751) 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, 5918 + ... + 6914.

Almost surely, 2^6396752 is an apocalyptic number.

It is an amenable number.

6396752 is a deficient number, since it is larger than the sum of its proper divisors (6040324).

6396752 is a wasteful number, since it uses less digits than its factorization.

6396752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1400 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 6396752 is about 2529.1801043026. The cubic root of 6396752 is about 185.6321399454.

The spelling of 6396752 in words is "six million, three hundred ninety-six thousand, seven hundred fifty-two".