28534608 has 60 divisors (see below), whose sum is σ = 82623060. Its totient is φ = 9182208.

The previous prime is 28534591. The next prime is 28534609. The reversal of 28534608 is 80643582.

It can be written as a sum of positive squares in 2 ways, for example, as 8714304 + 19820304 = 2952^2 + 4452^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (28534609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760 + ... + 7592.

It is an arithmetic number, because the mean of its divisors is an integer number (1377051).

Almost surely, 2^28534608 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 28534608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41311530).

28534608 is an abundant number, since it is smaller than the sum of its proper divisors (54088452).

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

28534608 is a wasteful number, since it uses less digits than its factorization.

28534608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876 (or 6867 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28534608 is about 5341.7794787879. The cubic root of 28534608 is about 305.5793271105.

The spelling of 28534608 in words is "twenty-eight million, five hundred thirty-four thousand, six hundred eight".