28094128 has 10 divisors (see below), whose sum is σ = 54432404. Its totient is φ = 14047056.

The previous prime is 28094117. The next prime is 28094147. The reversal of 28094128 is 82149082.

It is a junction number, because it is equal to n+sod(n) for n = 28094093 and 28094102.

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 as a sum of consecutive naturals, namely, 877926 + ... + 877957.

Almost surely, 2^28094128 is an apocalyptic number.

It is an amenable number.

28094128 is a deficient number, since it is larger than the sum of its proper divisors (26338276).

28094128 is a wasteful number, since it uses less digits than its factorization.

28094128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755891 (or 1755885 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28094128 is about 5300.3894196559. The cubic root of 28094128 is about 303.9987880838.

The spelling of 28094128 in words is "twenty-eight million, ninety-four thousand, one hundred twenty-eight".