28282327 has 4 divisors (see below), whose sum is σ = 28294200. Its totient is φ = 28270456.

The previous prime is 28282313. The next prime is 28282343. The reversal of 28282327 is 72328282.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28282327 - 2¹⁹ = 27758039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28282292 and 28282301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (7073550).

Almost surely, 2^28282327 is an apocalyptic number.

28282327 is a deficient number, since it is larger than the sum of its proper divisors (11873).

28282327 is an equidigital number, since it uses as much as digits as its factorization.

28282327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872.

The product of its digits is 21504, while the sum is 34.

The square root of 28282327 is about 5318.1131052282. The cubic root of 28282327 is about 304.6760943721.

The spelling of 28282327 in words is "twenty-eight million, two hundred eighty-two thousand, three hundred twenty-seven".