28132352 has 44 divisors (see below), whose sum is σ = 57086736. Its totient is φ = 13854720.

The previous prime is 28132339. The next prime is 28132361. The reversal of 28132352 is 25323182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84827 + ... + 85157.

Almost surely, 2^28132352 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 28132352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28543368).

28132352 is an abundant number, since it is smaller than the sum of its proper divisors (28954384).

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

28132352 is an equidigital number, since it uses as much as digits as its factorization.

28132352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 416 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 28132352 is about 5303.9939668141. The cubic root of 28132352 is about 304.1365960473.

The spelling of 28132352 in words is "twenty-eight million, one hundred thirty-two thousand, three hundred fifty-two".