28484352 has 144 divisors (see below), whose sum is σ = 90998880. Its totient is φ = 8736768.

The previous prime is 28484321. The next prime is 28484371. The reversal of 28484352 is 25348482.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×28484352³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 89698 + ... + 90014.

Almost surely, 2^28484352 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 28484352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45499440).

28484352 is an abundant number, since it is smaller than the sum of its proper divisors (62514528).

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

28484352 is a wasteful number, since it uses less digits than its factorization.

28484352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 335 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 28484352 is about 5337.0733553138. The cubic root of 28484352 is about 305.3998232212.

The spelling of 28484352 in words is "twenty-eight million, four hundred eighty-four thousand, three hundred fifty-two".