328269 has 4 divisors (see below), whose sum is σ = 437696. Its totient is φ = 218844.

The previous prime is 328249. The next prime is 328271. The reversal of 328269 is 962823.

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 an emirpimes, since its reverse is a distinct semiprime: 962823 = 3 ⋅320941.

It is not a de Polignac number, because 328269 - 2⁹ = 327757 is a prime.

It is a super-3 number, since 3×328269³ = 106123330532067327, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54709 + ... + 54714.

It is an arithmetic number, because the mean of its divisors is an integer number (109424).

2³²⁸²⁶⁹ is an apocalyptic number.

It is an amenable number.

328269 is a deficient number, since it is larger than the sum of its proper divisors (109427).

328269 is a wasteful number, since it uses less digits than its factorization.

328269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109426.

The product of its digits is 5184, while the sum is 30.

The square root of 328269 is about 572.9476415869. The cubic root of 328269 is about 68.9831927137.

The spelling of 328269 in words is "three hundred twenty-eight thousand, two hundred sixty-nine".