28824048 has 120 divisors (see below), whose sum is σ = 90994176. Its totient is φ = 8438400.

The previous prime is 28824043. The next prime is 28824053. The reversal of 28824048 is 84042882.

It is an interprime number because it is at equal distance from previous prime (28824043) and next prime (28824053).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28824043) 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, 48811 + ... + 49397.

Almost surely, 2^28824048 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 28824048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45497088).

28824048 is an abundant number, since it is smaller than the sum of its proper divisors (62170128).

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

28824048 is a wasteful number, since it uses less digits than its factorization.

28824048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 28824048 is about 5368.8032185954. The cubic root of 28824048 is about 306.6090650057.

It can be divided in two parts, 288 and 24048, that added together give a square (24336 = 156²).

The spelling of 28824048 in words is "twenty-eight million, eight hundred twenty-four thousand, forty-eight".