28584085 has 8 divisors (see below), whose sum is σ = 34329600. Its totient is φ = 22848144.

The previous prime is 28584079. The next prime is 28584107. The reversal of 28584085 is 58048582.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28584085 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10716 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (4291200).

Almost surely, 2^28584085 is an apocalyptic number.

It is an amenable number.

28584085 is a deficient number, since it is larger than the sum of its proper divisors (5745515).

28584085 is a wasteful number, since it uses less digits than its factorization.

28584085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 28584085 is about 5346.4086076543. The cubic root of 28584085 is about 305.7558428028.

The spelling of 28584085 in words is "twenty-eight million, five hundred eighty-four thousand, eighty-five".