28095685 has 16 divisors (see below), whose sum is σ = 34497792. Its totient is φ = 21960000.

The previous prime is 28095677. The next prime is 28095709. The reversal of 28095685 is 58659082.

It is not a de Polignac number, because 28095685 - 2³ = 28095677 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76372 + ... + 76738.

It is an arithmetic number, because the mean of its divisors is an integer number (2156112).

Almost surely, 2^28095685 is an apocalyptic number.

It is an amenable number.

28095685 is a deficient number, since it is larger than the sum of its proper divisors (6402107).

28095685 is a wasteful number, since it uses less digits than its factorization.

28095685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 28095685 is about 5300.5362936216. The cubic root of 28095685 is about 304.0044039355.

The spelling of 28095685 in words is "twenty-eight million, ninety-five thousand, six hundred eighty-five".