327520 has 48 divisors (see below), whose sum is σ = 816480. Its totient is φ = 123904.

The previous prime is 327517. The next prime is 327529. The reversal of 327520 is 25723.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2³²⁷⁵²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408240).

327520 is an abundant number, since it is smaller than the sum of its proper divisors (488960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327520 is a wasteful number, since it uses less digits than its factorization.

327520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 327520 is about 572.2936309273. The cubic root of 327520 is about 68.9306872402.

The spelling of 327520 in words is "three hundred twenty-seven thousand, five hundred twenty".