6386 has 8 divisors (see below), whose sum is σ = 9984. Its totient is φ = 3060.
The previous prime is 6379. The next prime is 6389. The reversal of 6386 is 6836.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6389) by changing a digit.
6386 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 in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 113.
It is an arithmetic number, because the mean of its divisors is an integer number (1248).
6386 is a deficient number, since it is larger than the sum of its proper divisors (3598).
6386 is a wasteful number, since it uses less digits than its factorization.
6386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136.
The product of its digits is 864, while the sum is 23.
The square root of 6386 is about 79.9124520960. The cubic root of 6386 is about 18.5528074836.
It can be divided in two parts, 638 and 6, that multiplied together give a triangular number (3828 = T87).
The spelling of 6386 in words is "six thousand, three hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •