327665 has 12 divisors (see below), whose sum is σ = 429492. Its totient is φ = 238560.

The previous prime is 327661. The next prime is 327667. The reversal of 327665 is 566723.

327665 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 247009 = 284^2 + 497^2 .

It is not a de Polignac number, because 327665 - 2² = 327661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4580 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (35791).

2³²⁷⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

327665 is a deficient number, since it is larger than the sum of its proper divisors (101827).

327665 is an equidigital number, since it uses as much as digits as its factorization.

327665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 89 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 327665 is about 572.4203001292. The cubic root of 327665 is about 68.9408580949.

The spelling of 327665 in words is "three hundred twenty-seven thousand, six hundred sixty-five".