28308095 has 8 divisors (see below), whose sum is σ = 34610976. Its totient is φ = 22218976.

The previous prime is 28308083. The next prime is 28308109. The reversal of 28308095 is 59080382.

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 28308095 - 2⁴ = 28308079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53147 + ... + 53676.

It is an arithmetic number, because the mean of its divisors is an integer number (4326372).

Almost surely, 2^28308095 is an apocalyptic number.

28308095 is a deficient number, since it is larger than the sum of its proper divisors (6302881).

28308095 is a wasteful number, since it uses less digits than its factorization.

28308095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106881.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28308095 is about 5320.5352174382. The cubic root of 28308095 is about 304.7685963138.

The spelling of 28308095 in words is "twenty-eight million, three hundred eight thousand, ninety-five".