28084160 has 112 divisors (see below), whose sum is σ = 74163936. Its totient is φ = 10063872.

The previous prime is 28084159. The next prime is 28084169. The reversal of 28084160 is 6148082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28084169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178802 + ... + 178958.

It is an arithmetic number, because the mean of its divisors is an integer number (662178).

Almost surely, 2^28084160 is an apocalyptic number.

28084160 is a gapful number since it is divisible by the number (20) 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 28084160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37081968).

28084160 is an abundant number, since it is smaller than the sum of its proper divisors (46079776).

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

28084160 is a wasteful number, since it uses less digits than its factorization.

28084160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28084160 is about 5299.4490279651. The cubic root of 28084160 is about 303.9628301738.

The spelling of 28084160 in words is "twenty-eight million, eighty-four thousand, one hundred sixty".