28784050 has 48 divisors (see below), whose sum is σ = 57808800. Its totient is φ = 10627200.

The previous prime is 28784047. The next prime is 28784051. The reversal of 28784050 is 5048782.

It is a junction number, because it is equal to n+sod(n) for n = 28783997 and 28784015.

It is not an unprimeable number, because it can be changed into a prime (28784051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38581 + ... + 39319.

It is an arithmetic number, because the mean of its divisors is an integer number (1204350).

Almost surely, 2^28784050 is an apocalyptic number.

28784050 is an abundant number, since it is smaller than the sum of its proper divisors (29024750).

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

28784050 is a wasteful number, since it uses less digits than its factorization.

28784050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28784050 is about 5365.0768866811. The cubic root of 28784050 is about 306.4671762328.

The spelling of 28784050 in words is "twenty-eight million, seven hundred eighty-four thousand, fifty".