28675584 has 180 divisors, whose sum is σ = 97029504. Its totient is φ = 8128512.

The previous prime is 28675571. The next prime is 28675613. The reversal of 28675584 is 48557682.

28675584 is a `hidden beast` number, since 2 + 8 + 67 + 5 + 584 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 225729 + ... + 225855.

Almost surely, 2^28675584 is an apocalyptic number.

28675584 is a gapful number since it is divisible by the number (24) 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 28675584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48514752).

28675584 is an abundant number, since it is smaller than the sum of its proper divisors (68353920).

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

28675584 is a wasteful number, since it uses less digits than its factorization.

28675584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 139 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 28675584 is about 5354.9588233711. The cubic root of 28675584 is about 306.0817415868.

The spelling of 28675584 in words is "twenty-eight million, six hundred seventy-five thousand, five hundred eighty-four".