28584755 has 8 divisors (see below), whose sum is σ = 34949232. Its totient is φ = 22436128.

The previous prime is 28584739. The next prime is 28584761. The reversal of 28584755 is 55748582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28584755 - 2⁴ = 28584739 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 53669 + ... + 54198.

It is an arithmetic number, because the mean of its divisors is an integer number (4368654).

Almost surely, 2^28584755 is an apocalyptic number.

28584755 is a deficient number, since it is larger than the sum of its proper divisors (6364477).

28584755 is a wasteful number, since it uses less digits than its factorization.

28584755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107925.

The product of its digits is 448000, while the sum is 44.

The square root of 28584755 is about 5346.4712661717. The cubic root of 28584755 is about 305.7582317174.

The spelling of 28584755 in words is "twenty-eight million, five hundred eighty-four thousand, seven hundred fifty-five".