328671 has 32 divisors (see below), whose sum is σ = 583680. Its totient is φ = 178848.

The previous prime is 328667. The next prime is 328687. The reversal of 328671 is 176823.

328671 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 328671 - 2² = 328667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

328671 is strictly pandigital in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328671.

It is not an unprimeable number, because it can be changed into a prime (328621) 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 31 ways as a sum of consecutive naturals, for example, 6970 + ... + 7016.

It is an arithmetic number, because the mean of its divisors is an integer number (18240).

2³²⁸⁶⁷¹ is an apocalyptic number.

328671 is a deficient number, since it is larger than the sum of its proper divisors (255009).

328671 is a wasteful number, since it uses less digits than its factorization.

328671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 94 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 328671 is about 573.2983516460. The cubic root of 328671 is about 69.0113402911.

It can be divided in two parts, 328 and 671, that added together give a palindrome (999).

The spelling of 328671 in words is "three hundred twenty-eight thousand, six hundred seventy-one".