28016608 has 12 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 14008288.

The previous prime is 28016539. The next prime is 28016609. The reversal of 28016608 is 80661082.

It is a self number, because there is not a number n which added to its sum of digits gives 28016608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28016609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437728 + ... + 437791.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^28016608 is an apocalyptic number.

It is an amenable number.

28016608 is a deficient number, since it is larger than the sum of its proper divisors (27141152).

28016608 is an equidigital number, since it uses as much as digits as its factorization.

28016608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875529 (or 875521 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 28016608 is about 5293.0716979841. The cubic root of 28016608 is about 303.7189230231.

It can be divided in two parts, 2801 and 6608, that added together give a square (9409 = 97²).

The spelling of 28016608 in words is "twenty-eight million, sixteen thousand, six hundred eight".