328841 has 4 divisors (see below), whose sum is σ = 330000. Its totient is φ = 327684.

The previous prime is 328837. The next prime is 328847. The reversal of 328841 is 148823.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148823 = 43 ⋅3461.

It is a cyclic number.

It is not a de Polignac number, because 328841 - 2² = 328837 is a prime.

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 328841.

It is not an unprimeable number, because it can be changed into a prime (328847) 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, 170 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (82500).

2³²⁸⁸⁴¹ is an apocalyptic number.

It is an amenable number.

328841 is a deficient number, since it is larger than the sum of its proper divisors (1159).

328841 is an equidigital number, since it uses as much as digits as its factorization.

328841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 1536, while the sum is 26.

The square root of 328841 is about 573.4465973393. The cubic root of 328841 is about 69.0232365904.

The spelling of 328841 in words is "three hundred twenty-eight thousand, eight hundred forty-one".