28384828 has 12 divisors (see below), whose sum is σ = 49716072. Its totient is φ = 14180240.

The previous prime is 28384789. The next prime is 28384861. The reversal of 28384828 is 82848382.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4026 + ... + 8542.

It is an arithmetic number, because the mean of its divisors is an integer number (4143006).

Almost surely, 2^28384828 is an apocalyptic number.

It is an amenable number.

28384828 is a deficient number, since it is larger than the sum of its proper divisors (21331244).

28384828 is a wasteful number, since it uses less digits than its factorization.

28384828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092 (or 6090 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 28384828 is about 5327.7413600887. The cubic root of 28384828 is about 305.0437203294.

The spelling of 28384828 in words is "twenty-eight million, three hundred eighty-four thousand, eight hundred twenty-eight".