327641 has 4 divisors (see below), whose sum is σ = 346932. Its totient is φ = 308352.

The previous prime is 327629. The next prime is 327647. The reversal of 327641 is 146723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146723 = 31 ⋅4733.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 92416 = 485^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 327641 - 2¹⁰ = 326617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (327647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9620 + ... + 9653.

It is an arithmetic number, because the mean of its divisors is an integer number (86733).

2³²⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

327641 is a deficient number, since it is larger than the sum of its proper divisors (19291).

327641 is a wasteful number, since it uses less digits than its factorization.

327641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290.

The product of its digits is 1008, while the sum is 23.

The square root of 327641 is about 572.3993361282. The cubic root of 327641 is about 68.9391748503.

The spelling of 327641 in words is "three hundred twenty-seven thousand, six hundred forty-one".