328769 has 8 divisors (see below), whose sum is σ = 381888. Its totient is φ = 277200.

The previous prime is 328753. The next prime is 328777. The reversal of 328769 is 967823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328769 - 2⁴ = 328753 is a prime.

It is a super-2 number, since 2×328769² = 216178110722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328709) 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 7 ways as a sum of consecutive naturals, for example, 119 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2³²⁸⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

328769 is a deficient number, since it is larger than the sum of its proper divisors (53119).

328769 is an equidigital number, since it uses as much as digits as its factorization.

328769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its digits is 18144, while the sum is 35.

The square root of 328769 is about 573.3838156070. The cubic root of 328769 is about 69.0181986584.

The spelling of 328769 in words is "three hundred twenty-eight thousand, seven hundred sixty-nine".