6388 has 6 divisors (see below), whose sum is σ = 11186. Its totient is φ = 3192.

The previous prime is 6379. The next prime is 6389. The reversal of 6388 is 8836.

It can be written as a sum of positive squares in only one way, i.e., 4624 + 1764 = 68^2 + 42^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389) by changing a digit.

6388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795 + ... + 802.

2⁶³⁸⁸ is an apocalyptic number.

It is an amenable number.

6388 is a deficient number, since it is larger than the sum of its proper divisors (4798).

6388 is a wasteful number, since it uses less digits than its factorization.

6388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1599 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 6388 is about 79.9249648108. The cubic root of 6388 is about 18.5547441023.

It can be divided in two parts, 638 and 8, that added together give a palindrome (646).

The spelling of 6388 in words is "six thousand, three hundred eighty-eight".