28048304 has 40 divisors (see below), whose sum is σ = 56579712. Its totient is φ = 13455360.

The previous prime is 28048301. The next prime is 28048327. The reversal of 28048304 is 40384082.

It is not an unprimeable number, because it can be changed into a prime (28048301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95582 + ... + 95874.

Almost surely, 2^28048304 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 28048304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28289856).

28048304 is an abundant number, since it is smaller than the sum of its proper divisors (28531408).

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

28048304 is a wasteful number, since it uses less digits than its factorization.

28048304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28048304 is about 5296.0649542845. The cubic root of 28048304 is about 303.8334151957.

It can be divided in two parts, 280 and 48304, that added together give a palindrome (48584).

The spelling of 28048304 in words is "twenty-eight million, forty-eight thousand, three hundred four".