328144 has 10 divisors (see below), whose sum is σ = 635810. Its totient is φ = 164064.

The previous prime is 328129. The next prime is 328171. The reversal of 328144 is 441823.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 90000 = 488^2 + 300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10239 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (63581).

2³²⁸¹⁴⁴ is an apocalyptic number.

It is an amenable number.

328144 is a deficient number, since it is larger than the sum of its proper divisors (307666).

328144 is a wasteful number, since it uses less digits than its factorization.

328144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20517 (or 20511 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 328144 is about 572.8385461891. The cubic root of 328144 is about 68.9744356742.

Adding to 328144 its reverse (441823), we get a palindrome (769967).

The spelling of 328144 in words is "three hundred twenty-eight thousand, one hundred forty-four".