28483568 has 80 divisors (see below), whose sum is σ = 63478080. Its totient is φ = 12300288.

The previous prime is 28483547. The next prime is 28483579. The reversal of 28483568 is 86538482.

It is a Cunningham number, because it is equal to 5337²-1.

It is a super-2 number, since 2×28483568² = 1622627292021248, which contains 22 as substring.

It is a congruent number.

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, 181346 + ... + 181502.

It is an arithmetic number, because the mean of its divisors is an integer number (793476).

Almost surely, 2^28483568 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 28483568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31739040).

28483568 is an abundant number, since it is smaller than the sum of its proper divisors (34994512).

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

28483568 is a wasteful number, since it uses less digits than its factorization.

28483568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 228 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 28483568 is about 5336.9999063144. Note that the first 4 decimals coincide. The cubic root of 28483568 is about 305.3970212657.

The spelling of 28483568 in words is "twenty-eight million, four hundred eighty-three thousand, five hundred sixty-eight".