328455 has 20 divisors (see below), whose sum is σ = 589512. Its totient is φ = 174960.

The previous prime is 328439. The next prime is 328481. The reversal of 328455 is 554823.

328455 is a nontrivial binomial coefficient, being equal to C(811, 2).

It is not a de Polignac number, because 328455 - 2⁴ = 328439 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3⁴ + 2¹⁸ + 4⁸ + 8² + 5 + 5⁴ .

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 328455.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1 + ... + 810.

328455 is a Friedman number, since it can be written as (8^2+5)^3-54, using all its digits and the basic arithmetic operations.

2³²⁸⁴⁵⁵ is an apocalyptic number.

328455 is the 810-th triangular number.

328455 is a deficient number, since it is larger than the sum of its proper divisors (261057).

328455 is an equidigital number, since it uses as much as digits as its factorization.

328455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 819 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 328455 is about 573.1099370976. The cubic root of 328455 is about 68.9962190745.

The spelling of 328455 in words is "three hundred twenty-eight thousand, four hundred fifty-five".