6393168 has 50 divisors (see below), whose sum is σ = 18507434. Its totient is φ = 2130624.

The previous prime is 6393131. The next prime is 6393169. The reversal of 6393168 is 8613936.

It is a happy number.

6393168 is a `hidden beast` number, since 639 + 3 + 16 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4981824 + 1411344 = 2232^2 + 1188^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6393169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1171 + ... + 3762.

Almost surely, 2^6393168 is an apocalyptic number.

It is an amenable number.

6393168 is an abundant number, since it is smaller than the sum of its proper divisors (12114266).

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

6393168 is a wasteful number, since it uses less digits than its factorization.

6393168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4938 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6393168 is about 2528.4714750220. The cubic root of 6393168 is about 185.5974645413.

It can be divided in two parts, 6393 and 168, that added together give a 8-th power (6561 = 3⁸).

The spelling of 6393168 in words is "six million, three hundred ninety-three thousand, one hundred sixty-eight".