328449 has 16 divisors (see below), whose sum is σ = 492480. Its totient is φ = 192960.

The previous prime is 328439. The next prime is 328481. The reversal of 328449 is 944823.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-328449 is a prime.

328449 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328449.

It is not an unprimeable number, because it can be changed into a prime (328429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2³²⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

328449 is a deficient number, since it is larger than the sum of its proper divisors (164031).

328449 is a wasteful number, since it uses less digits than its factorization.

328449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 6912, while the sum is 30.

The square root of 328449 is about 573.1047024759. The cubic root of 328449 is about 68.9957989461.

It can be divided in two parts, 3284 and 49, that added together give a palindrome (3333).

The spelling of 328449 in words is "three hundred twenty-eight thousand, four hundred forty-nine".