28454832 has 60 divisors (see below), whose sum is σ = 91013520. Its totient is φ = 8129664.

The previous prime is 28454819. The next prime is 28454843. The reversal of 28454832 is 23845482.

28454832 is a `hidden beast` number, since 2 + 84 + 548 + 32 = 666.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13107 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (1516892).

Almost surely, 2^28454832 is an apocalyptic number.

It is an amenable number.

28454832 is an abundant number, since it is smaller than the sum of its proper divisors (62558688).

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

28454832 is a wasteful number, since it uses less digits than its factorization.

28454832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28250 (or 28241 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 28454832 is about 5334.3070777750. The cubic root of 28454832 is about 305.2942855214.

The spelling of 28454832 in words is "twenty-eight million, four hundred fifty-four thousand, eight hundred thirty-two".