28382016 has 112 divisors (see below), whose sum is σ = 82442304. Its totient is φ = 8564736.

The previous prime is 28381973. The next prime is 28382017. The reversal of 28382016 is 61028382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28382017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207100 + ... + 207236.

It is an arithmetic number, because the mean of its divisors is an integer number (736092).

Almost surely, 2^28382016 is an apocalyptic number.

28382016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28382016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41221152).

28382016 is an abundant number, since it is smaller than the sum of its proper divisors (54060288).

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

28382016 is a wasteful number, since it uses less digits than its factorization.

28382016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28382016 is about 5327.4774518528. The cubic root of 28382016 is about 305.0336467404.

The spelling of 28382016 in words is "twenty-eight million, three hundred eighty-two thousand, sixteen".