327391 has 8 divisors (see below), whose sum is σ = 345600. Its totient is φ = 309720.

The previous prime is 327347. The next prime is 327401. The reversal of 327391 is 193723.

327391 = T₃₃ + T₃₄ + ... + T₁₂₅.

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 327391 - 2⁷ = 327263 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327311) 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, 1740 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2³²⁷³⁹¹ is an apocalyptic number.

327391 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

327391 is a deficient number, since it is larger than the sum of its proper divisors (18209).

327391 is a wasteful number, since it uses less digits than its factorization.

327391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its digits is 1134, while the sum is 25.

The square root of 327391 is about 572.1809154455. The cubic root of 327391 is about 68.9216361630.

It can be divided in two parts, 3273 and 91, that added together give a square (3364 = 58²).

The spelling of 327391 in words is "three hundred twenty-seven thousand, three hundred ninety-one".