28083084 has 12 divisors (see below), whose sum is σ = 65527224. Its totient is φ = 9361024.

The previous prime is 28083071. The next prime is 28083089. The reversal of 28083084 is 48038082.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (28083089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170117 + ... + 1170140.

It is an arithmetic number, because the mean of its divisors is an integer number (5460602).

Almost surely, 2^28083084 is an apocalyptic number.

It is an amenable number.

28083084 is an abundant number, since it is smaller than the sum of its proper divisors (37444140).

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

28083084 is a wasteful number, since it uses less digits than its factorization.

28083084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340264 (or 2340262 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28083084 is about 5299.3475070050. The cubic root of 28083084 is about 303.9589481732.

The spelling of 28083084 in words is "twenty-eight million, eighty-three thousand, eighty-four".