28682208 has 96 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 9427968.

The previous prime is 28682207. The next prime is 28682209. The reversal of 28682208 is 80228682.

It is an interprime number because it is at equal distance from previous prime (28682207) and next prime (28682209).

It is a tau number, because it is divible by the number of its divisors (96).

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 (28682207) 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, 76710 + ... + 77082.

It is an arithmetic number, because the mean of its divisors is an integer number (883575).

Almost surely, 2^28682208 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 28682208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42411600).

28682208 is an abundant number, since it is smaller than the sum of its proper divisors (56140992).

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

28682208 is a wasteful number, since it uses less digits than its factorization.

28682208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 28682208 is about 5355.5772798084. The cubic root of 28682208 is about 306.1053078533.

The spelling of 28682208 in words is "twenty-eight million, six hundred eighty-two thousand, two hundred eight".