328863 has 4 divisors (see below), whose sum is σ = 438488. Its totient is φ = 219240.

The previous prime is 328849. The next prime is 328883. The reversal of 328863 is 368823.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 328863 - 2⁴ = 328847 is a prime.

It is a D-number.

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 328863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54808 + ... + 54813.

It is an arithmetic number, because the mean of its divisors is an integer number (109622).

2³²⁸⁸⁶³ is an apocalyptic number.

328863 is a deficient number, since it is larger than the sum of its proper divisors (109625).

328863 is a wasteful number, since it uses less digits than its factorization.

328863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109624.

The product of its digits is 6912, while the sum is 30.

The square root of 328863 is about 573.4657792755. The cubic root of 328863 is about 69.0247758118.

The spelling of 328863 in words is "three hundred twenty-eight thousand, eight hundred sixty-three".