28048618 has 16 divisors (see below), whose sum is σ = 45432576. Its totient is φ = 12910320.

The previous prime is 28048591. The next prime is 28048619. The reversal of 28048618 is 81684082.

It is not an unprimeable number, because it can be changed into a prime (28048619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9955 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (2839536).

Almost surely, 2^28048618 is an apocalyptic number.

28048618 is a deficient number, since it is larger than the sum of its proper divisors (17383958).

28048618 is a wasteful number, since it uses less digits than its factorization.

28048618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 28048618 is about 5296.0945988530. The cubic root of 28048618 is about 303.8345489937.

The spelling of 28048618 in words is "twenty-eight million, forty-eight thousand, six hundred eighteen".