28828585 has 8 divisors (see below), whose sum is σ = 34776576. Its totient is φ = 22941360.

The previous prime is 28828577. The next prime is 28828609. The reversal of 28828585 is 58582882.

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

It is not a de Polignac number, because 28828585 - 2³ = 28828577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14139 + ... + 16048.

It is an arithmetic number, because the mean of its divisors is an integer number (4347072).

Almost surely, 2^28828585 is an apocalyptic number.

It is an amenable number.

28828585 is a deficient number, since it is larger than the sum of its proper divisors (5947991).

28828585 is a wasteful number, since it uses less digits than its factorization.

28828585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30383.

The product of its digits is 409600, while the sum is 46.

The square root of 28828585 is about 5369.2257356159. The cubic root of 28828585 is about 306.6251512536.

The spelling of 28828585 in words is "twenty-eight million, eight hundred twenty-eight thousand, five hundred eighty-five".