328811 has 8 divisors (see below), whose sum is σ = 380160. Its totient is φ = 278568.

The previous prime is 328789. The next prime is 328813. The reversal of 328811 is 118823.

328811 = T₃₀₃ + T₃₀₄ + ... + T₃₀₉.

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 328811 - 2¹⁴ = 312427 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 530 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2³²⁸⁸¹¹ is an apocalyptic number.

328811 is a deficient number, since it is larger than the sum of its proper divisors (51349).

328811 is a wasteful number, since it uses less digits than its factorization.

328811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 384, while the sum is 23.

The square root of 328811 is about 573.4204391195. The cubic root of 328811 is about 69.0211375414.

The spelling of 328811 in words is "three hundred twenty-eight thousand, eight hundred eleven".