28675528 has 32 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 12160512.

The previous prime is 28675487. The next prime is 28675553. The reversal of 28675528 is 82557682.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2793 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^28675528 is an apocalyptic number.

28675528 is a gapful number since it is divisible by the number (28) 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 28675528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31046400).

28675528 is an abundant number, since it is smaller than the sum of its proper divisors (33417272).

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

28675528 is a wasteful number, since it uses less digits than its factorization.

28675528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389 (or 5385 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 28675528 is about 5354.9535945702. The cubic root of 28675528 is about 306.0815423396.

The spelling of 28675528 in words is "twenty-eight million, six hundred seventy-five thousand, five hundred twenty-eight".