16386 has 8 divisors (see below), whose sum is σ = 32784. Its totient is φ = 5460.

The previous prime is 16381. The next prime is 16411. The reversal of 16386 is 68361.

It is a sphenic number, since it is the product of 3 distinct primes.

16386 is an admirable number.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16386.

It is not an unprimeable number, because it can be changed into a prime (16381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (4098).

2¹⁶³⁸⁶ is an apocalyptic number.

16386 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16392).

16386 is a wasteful number, since it uses less digits than its factorization.

16386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its digits is 864, while the sum is 24.

The square root of 16386 is about 128.0078122616. The cubic root of 16386 is about 25.3994502537.

The spelling of 16386 in words is "sixteen thousand, three hundred eighty-six".