28833750 has 120 divisors (see below), whose sum is σ = 85528872. Its totient is φ = 6960000.

The previous prime is 28833667. The next prime is 28833757. The reversal of 28833750 is 5733882.

28833750 is a `hidden beast` number, since 288 + 3 + 375 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28833757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 123634 + ... + 123866.

Almost surely, 2^28833750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28833750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42764436).

28833750 is an abundant number, since it is smaller than the sum of its proper divisors (56695122).

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

28833750 is a wasteful number, since it uses less digits than its factorization.

28833750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28833750 is about 5369.7066959006. The cubic root of 28833750 is about 306.6434620648.

The spelling of 28833750 in words is "twenty-eight million, eight hundred thirty-three thousand, seven hundred fifty".