328971 has 8 divisors (see below), whose sum is σ = 447120. Its totient is φ = 215072.

The previous prime is 328961. The next prime is 328981. The reversal of 328971 is 179823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328961) and next prime (328981).

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 328971 - 2¹¹ = 326923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (55890).

2³²⁸⁹⁷¹ is an apocalyptic number.

328971 is a deficient number, since it is larger than the sum of its proper divisors (118149).

328971 is a wasteful number, since it uses less digits than its factorization.

328971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its digits is 3024, while the sum is 30.

The square root of 328971 is about 573.5599358393. The cubic root of 328971 is about 69.0323309942.

The spelling of 328971 in words is "three hundred twenty-eight thousand, nine hundred seventy-one".