28558752 has 24 divisors (see below), whose sum is σ = 74966976. Its totient is φ = 9519552.

The previous prime is 28558711. The next prime is 28558753. The reversal of 28558752 is 25785582.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28558753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148648 + ... + 148839.

It is an arithmetic number, because the mean of its divisors is an integer number (3123624).

Almost surely, 2^28558752 is an apocalyptic number.

It is an amenable number.

28558752 is an abundant number, since it is smaller than the sum of its proper divisors (46408224).

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

28558752 is a wasteful number, since it uses less digits than its factorization.

28558752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297500 (or 297492 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The square root of 28558752 is about 5344.0389220139. The cubic root of 28558752 is about 305.6654894688.

The spelling of 28558752 in words is "twenty-eight million, five hundred fifty-eight thousand, seven hundred fifty-two".