28173608 has 16 divisors (see below), whose sum is σ = 52954560. Its totient is φ = 14052400.

The previous prime is 28173589. The next prime is 28173611. The reversal of 28173608 is 80637182.

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 in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (3309660).

Almost surely, 2^28173608 is an apocalyptic number.

It is an amenable number.

28173608 is a deficient number, since it is larger than the sum of its proper divisors (24780952).

28173608 is a wasteful number, since it uses less digits than its factorization.

28173608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608 (or 8604 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 28173608 is about 5307.8816866995. The cubic root of 28173608 is about 304.2851951974.

The spelling of 28173608 in words is "twenty-eight million, one hundred seventy-three thousand, six hundred eight".