28580576 has 48 divisors (see below), whose sum is σ = 58605120. Its totient is φ = 13708800.

The previous prime is 28580561. The next prime is 28580581. The reversal of 28580576 is 67508582.

It is a congruent number.

It is an unprimeable number.

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, 119465 + ... + 119703.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 2^28580576 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 28580576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29302560).

28580576 is an abundant number, since it is smaller than the sum of its proper divisors (30024544).

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

28580576 is a wasteful number, since it uses less digits than its factorization.

28580576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 28580576 is about 5346.0804333642. The cubic root of 28580576 is about 305.7433306985.

The spelling of 28580576 in words is "twenty-eight million, five hundred eighty thousand, five hundred seventy-six".