328647 has 16 divisors (see below), whose sum is σ = 499968. Its totient is φ = 190080.

The previous prime is 328639. The next prime is 328651. The reversal of 328647 is 746823.

328647 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 328647 - 2³ = 328639 is a prime.

328647 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 328647.

It is not an unprimeable number, because it can be changed into a prime (328637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (31248).

2³²⁸⁶⁴⁷ is an apocalyptic number.

328647 is a deficient number, since it is larger than the sum of its proper divisors (171321).

328647 is a wasteful number, since it uses less digits than its factorization.

328647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its digits is 8064, while the sum is 30.

The square root of 328647 is about 573.2774197542. The cubic root of 328647 is about 69.0096604832.

It can be divided in two parts, 3286 and 47, that added together give a palindrome (3333).

The spelling of 328647 in words is "three hundred twenty-eight thousand, six hundred forty-seven".