28084827 has 8 divisors (see below), whose sum is σ = 38060560. Its totient is φ = 18416160.

The previous prime is 28084807. The next prime is 28084829. The reversal of 28084827 is 72848082.

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

It is not a de Polignac number, because 28084827 - 2⁷ = 28084699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28084829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76552 + ... + 76917.

It is an arithmetic number, because the mean of its divisors is an integer number (4757570).

Almost surely, 2^28084827 is an apocalyptic number.

28084827 is a deficient number, since it is larger than the sum of its proper divisors (9975733).

28084827 is a wasteful number, since it uses less digits than its factorization.

28084827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153533.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 28084827 is about 5299.5119586619. The cubic root of 28084827 is about 303.9652365315.

It can be divided in two parts, 280848 and 27, that added together give a triangular number (280875 = T₇₄₉).

The spelling of 28084827 in words is "twenty-eight million, eighty-four thousand, eight hundred twenty-seven".