28588208 has 40 divisors (see below), whose sum is σ = 60948480. Its totient is φ = 12882240.

The previous prime is 28588207. The next prime is 28588223. The reversal of 28588208 is 80288582.

It is not an unprimeable number, because it can be changed into a prime (28588207) 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 7 ways as a sum of consecutive naturals, for example, 21713 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (1523712).

Almost surely, 2^28588208 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 28588208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30474240).

28588208 is an abundant number, since it is smaller than the sum of its proper divisors (32360272).

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

28588208 is a wasteful number, since it uses less digits than its factorization.

28588208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 28588208 is about 5346.7941796931. The cubic root of 28588208 is about 305.7705429496.

The spelling of 28588208 in words is "twenty-eight million, five hundred eighty-eight thousand, two hundred eight".