327687 has 4 divisors (see below), whose sum is σ = 436920. Its totient is φ = 218456.

The previous prime is 327673. The next prime is 327689. The reversal of 327687 is 786723.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 327687 - 2⁷ = 327559 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54612 + ... + 54617.

It is an arithmetic number, because the mean of its divisors is an integer number (109230).

2³²⁷⁶⁸⁷ is an apocalyptic number.

327687 is a deficient number, since it is larger than the sum of its proper divisors (109233).

327687 is a wasteful number, since it uses less digits than its factorization.

327687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109232.

The product of its digits is 14112, while the sum is 33.

The square root of 327687 is about 572.4395164557. The cubic root of 327687 is about 68.9424009969.

The spelling of 327687 in words is "three hundred twenty-seven thousand, six hundred eighty-seven".