328782 has 16 divisors (see below), whose sum is σ = 675792. Its totient is φ = 106560.

The previous prime is 328781. The next prime is 328787. The reversal of 328782 is 287823.

Added to its reverse (287823) it gives a triangular number (616605 = T₁₁₁₀).

It is a d-powerful number, because it can be written as 3⁵ + 2² + 7³ + 8³ + 8⁶ + 2¹⁶ .

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 328782.

It is not an unprimeable number, because it can be changed into a prime (328781) 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 7 ways as a sum of consecutive naturals, for example, 519 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (42237).

2³²⁸⁷⁸² is an apocalyptic number.

328782 is an abundant number, since it is smaller than the sum of its proper divisors (347010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328782 is a wasteful number, since it uses less digits than its factorization.

328782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its digits is 5376, while the sum is 30.

The square root of 328782 is about 573.3951517060. The cubic root of 328782 is about 69.0191083394.

Adding to 328782 its reverse (287823), we get a triangular number (616605 = T₁₁₁₀).

It can be divided in two parts, 32878 and 2, that multiplied together give a palindrome (65756).

The spelling of 328782 in words is "three hundred twenty-eight thousand, seven hundred eighty-two".