28048655 has 16 divisors (see below), whose sum is σ = 36655200. Its totient is φ = 20522880.

The previous prime is 28048639. The next prime is 28048673. The reversal of 28048655 is 55684082.

It is not a de Polignac number, because 28048655 - 2⁴ = 28048639 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (2290950).

Almost surely, 2^28048655 is an apocalyptic number.

28048655 is a deficient number, since it is larger than the sum of its proper divisors (8606545).

28048655 is a wasteful number, since it uses less digits than its factorization.

28048655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 28048655 is about 5296.0980919919. The cubic root of 28048655 is about 303.8346825936.

The spelling of 28048655 in words is "twenty-eight million, forty-eight thousand, six hundred fifty-five".