328817 has 4 divisors (see below), whose sum is σ = 339456. Its totient is φ = 318180.

The previous prime is 328813. The next prime is 328829. The reversal of 328817 is 718823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328817 - 2² = 328813 is a prime.

It is a d-powerful number, because it can be written as 3⁶ + 2¹⁶ + 8² + 8⁶ + 1 + 7³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328817.

It is not an unprimeable number, because it can be changed into a prime (328813) 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 3 ways as a sum of consecutive naturals, for example, 5273 + ... + 5334.

It is an arithmetic number, because the mean of its divisors is an integer number (84864).

2³²⁸⁸¹⁷ is an apocalyptic number.

It is an amenable number.

328817 is a deficient number, since it is larger than the sum of its proper divisors (10639).

328817 is a wasteful number, since it uses less digits than its factorization.

328817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638.

The product of its digits is 2688, while the sum is 29.

The square root of 328817 is about 573.4256708589. The cubic root of 328817 is about 69.0215573614.

The spelling of 328817 in words is "three hundred twenty-eight thousand, eight hundred seventeen".