327631 has 8 divisors (see below), whose sum is σ = 343728. Its totient is φ = 312000.

The previous prime is 327629. The next prime is 327647. The reversal of 327631 is 136723.

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 327631 - 2¹ = 327629 is a prime.

It is a super-2 number, since 2×327631² = 214684144322, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2436 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (42966).

2³²⁷⁶³¹ is an apocalyptic number.

327631 is a deficient number, since it is larger than the sum of its proper divisors (16097).

327631 is a wasteful number, since it uses less digits than its factorization.

327631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 756, while the sum is 22.

The square root of 327631 is about 572.3906009012. The cubic root of 327631 is about 68.9384734742.

The spelling of 327631 in words is "three hundred twenty-seven thousand, six hundred thirty-one".