28854304 has 96 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 12472320.

The previous prime is 28854233. The next prime is 28854311. The reversal of 28854304 is 40345882.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 28854304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489027 + ... + 489085.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^28854304 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 28854304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

28854304 is an abundant number, since it is smaller than the sum of its proper divisors (36464096).

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

28854304 is a wasteful number, since it uses less digits than its factorization.

28854304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 28854304 is about 5371.6202397415. The cubic root of 28854304 is about 306.7163078640.

The spelling of 28854304 in words is "twenty-eight million, eight hundred fifty-four thousand, three hundred four".