28858752 has 192 divisors, whose sum is σ = 93562560. Its totient is φ = 8478720.

The previous prime is 28858751. The next prime is 28858759. The reversal of 28858752 is 25785882.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 28858698 and 28858707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28858751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613993 + ... + 614039.

It is an arithmetic number, because the mean of its divisors is an integer number (487305).

Almost surely, 2^28858752 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 28858752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46781280).

28858752 is an abundant number, since it is smaller than the sum of its proper divisors (64703808).

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

28858752 is a wasteful number, since it uses less digits than its factorization.

28858752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 106 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 28858752 is about 5372.0342515662. The cubic root of 28858752 is about 306.7320675469.

The spelling of 28858752 in words is "twenty-eight million, eight hundred fifty-eight thousand, seven hundred fifty-two".