28059128 has 8 divisors (see below), whose sum is σ = 52610880. Its totient is φ = 14029560.

The previous prime is 28059089. The next prime is 28059133. The reversal of 28059128 is 82195082.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1753688 + ... + 1753703.

It is an arithmetic number, because the mean of its divisors is an integer number (6576360).

Almost surely, 2^28059128 is an apocalyptic number.

It is an amenable number.

28059128 is a deficient number, since it is larger than the sum of its proper divisors (24551752).

28059128 is a wasteful number, since it uses less digits than its factorization.

28059128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507397 (or 3507393 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 28059128 is about 5297.0867465051. The cubic root of 28059128 is about 303.8724938501.

The spelling of 28059128 in words is "twenty-eight million, fifty-nine thousand, one hundred twenty-eight".