28752832 has 14 divisors (see below), whose sum is σ = 57056528. Its totient is φ = 14376384.

The previous prime is 28752827. The next prime is 28752847. The reversal of 28752832 is 23825782.

It is a junction number, because it is equal to n+sod(n) for n = 28752791 and 28752800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224568 + ... + 224695.

Almost surely, 2^28752832 is an apocalyptic number.

It is an amenable number.

28752832 is a deficient number, since it is larger than the sum of its proper divisors (28303696).

28752832 is an equidigital number, since it uses as much as digits as its factorization.

28752832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449275 (or 449265 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 28752832 is about 5362.1667262404. The cubic root of 28752832 is about 306.3563422448.

It can be divided in two parts, 28752 and 832, that added together give a square (29584 = 172²).

The spelling of 28752832 in words is "twenty-eight million, seven hundred fifty-two thousand, eight hundred thirty-two".