28652832 has 96 divisors (see below), whose sum is σ = 90034560. Its totient is φ = 8812800.

The previous prime is 28652821. The next prime is 28652857. The reversal of 28652832 is 23825682.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9957 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (937860).

Almost surely, 2^28652832 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 28652832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45017280).

28652832 is an abundant number, since it is smaller than the sum of its proper divisors (61381728).

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

28652832 is a wasteful number, since it uses less digits than its factorization.

28652832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2569 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28652832 is about 5352.8340157341. The cubic root of 28652832 is about 306.0007689331. Note that the first 3 decimals are identical.

The spelling of 28652832 in words is "twenty-eight million, six hundred fifty-two thousand, eight hundred thirty-two".