28266048 has 84 divisors (see below), whose sum is σ = 83685888. Its totient is φ = 9112320.

The previous prime is 28265983. The next prime is 28266059. The reversal of 28266048 is 84066282.

28266048 is a `hidden beast` number, since 28 + 26 + 604 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17065 + ... + 18647.

Almost surely, 2^28266048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28266048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41842944).

28266048 is an abundant number, since it is smaller than the sum of its proper divisors (55419840).

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

28266048 is a wasteful number, since it uses less digits than its factorization.

28266048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 28266048 is about 5316.5823608781. The cubic root of 28266048 is about 304.6176270702.

The spelling of 28266048 in words is "twenty-eight million, two hundred sixty-six thousand, forty-eight".