28535752 has 32 divisors (see below), whose sum is σ = 62017920. Its totient is φ = 12055680.

The previous prime is 28535737. The next prime is 28535807. The reversal of 28535752 is 25753582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 7564.

It is an arithmetic number, because the mean of its divisors is an integer number (1938060).

Almost surely, 2^28535752 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 28535752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31008960).

28535752 is an abundant number, since it is smaller than the sum of its proper divisors (33482168).

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

28535752 is a wasteful number, since it uses less digits than its factorization.

28535752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7257 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 28535752 is about 5341.8865581366. The cubic root of 28535752 is about 305.5834107841.

The spelling of 28535752 in words is "twenty-eight million, five hundred thirty-five thousand, seven hundred fifty-two".