328611 has 4 divisors (see below), whose sum is σ = 438152. Its totient is φ = 219072.

The previous prime is 328591. The next prime is 328619. The reversal of 328611 is 116823.

328611 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 328611 - 2⁵ = 328579 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328619) 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, 54766 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (109538).

2³²⁸⁶¹¹ is an apocalyptic number.

328611 is a deficient number, since it is larger than the sum of its proper divisors (109541).

328611 is a wasteful number, since it uses less digits than its factorization.

328611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109540.

The product of its digits is 288, while the sum is 21.

The square root of 328611 is about 573.2460204834. The cubic root of 328611 is about 69.0071406179.

It can be divided in two parts, 328 and 611, that added together give a palindrome (939).

The spelling of 328611 in words is "three hundred twenty-eight thousand, six hundred eleven".