28009095 has 16 divisors (see below), whose sum is σ = 44917632. Its totient is φ = 14903840.

The previous prime is 28009063. The next prime is 28009103. The reversal of 28009095 is 59090082.

It is not a de Polignac number, because 28009095 - 2⁵ = 28009063 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 9266.

It is an arithmetic number, because the mean of its divisors is an integer number (2807352).

Almost surely, 2^28009095 is an apocalyptic number.

28009095 is a deficient number, since it is larger than the sum of its proper divisors (16908537).

28009095 is a wasteful number, since it uses less digits than its factorization.

28009095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 28009095 is about 5292.3619490734. The cubic root of 28009095 is about 303.6917719339.

The spelling of 28009095 in words is "twenty-eight million, nine thousand, ninety-five".