327905 has 4 divisors (see below), whose sum is σ = 393492. Its totient is φ = 262320.

The previous prime is 327889. The next prime is 327917. The reversal of 327905 is 509723.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50176 + 277729 = 224^2 + 527^2 .

It is not a de Polignac number, because 327905 - 2⁴ = 327889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 327905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32786 + ... + 32795.

It is an arithmetic number, because the mean of its divisors is an integer number (98373).

2³²⁷⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

327905 is a deficient number, since it is larger than the sum of its proper divisors (65587).

327905 is an equidigital number, since it uses as much as digits as its factorization.

327905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65586.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 327905 is about 572.6298979271. The cubic root of 327905 is about 68.9576860217.

The spelling of 327905 in words is "three hundred twenty-seven thousand, nine hundred five".