327805 has 8 divisors (see below), whose sum is σ = 401112. Its totient is φ = 257088.

The previous prime is 327799. The next prime is 327809. The reversal of 327805 is 508723.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 232324 = 309^2 + 482^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 327805 - 2³ = 327797 is a prime.

It is a super-2 number, since 2×327805² = 214912236050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 327805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (50139).

2³²⁷⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

327805 is a deficient number, since it is larger than the sum of its proper divisors (73307).

327805 is a wasteful number, since it uses less digits than its factorization.

327805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 327805 is about 572.5425748361. The cubic root of 327805 is about 68.9506753837.

The spelling of 327805 in words is "three hundred twenty-seven thousand, eight hundred five".