28608185 has 8 divisors (see below), whose sum is σ = 34421760. Its totient is φ = 22825264.

The previous prime is 28608137. The next prime is 28608193. The reversal of 28608185 is 58180682.

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 28608185 - 2⁶ = 28608121 is a prime.

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, 5555 + ... + 9384.

It is an arithmetic number, because the mean of its divisors is an integer number (4302720).

Almost surely, 2^28608185 is an apocalyptic number.

It is an amenable number.

28608185 is a deficient number, since it is larger than the sum of its proper divisors (5813575).

28608185 is a wasteful number, since it uses less digits than its factorization.

28608185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 28608185 is about 5348.6619822157. The cubic root of 28608185 is about 305.8417489503.

The spelling of 28608185 in words is "twenty-eight million, six hundred eight thousand, one hundred eighty-five".