28183608 has 48 divisors (see below), whose sum is σ = 76756680. Its totient is φ = 9342144.

The previous prime is 28183601. The next prime is 28183627. The reversal of 28183608 is 80638182.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28183601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13191 + ... + 15177.

Almost surely, 2^28183608 is an apocalyptic number.

It is an amenable number.

28183608 is an abundant number, since it is smaller than the sum of its proper divisors (48573072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28183608 is a wasteful number, since it uses less digits than its factorization.

28183608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28183608 is about 5308.8235985009. The cubic root of 28183608 is about 304.3211921490.

The spelling of 28183608 in words is "twenty-eight million, one hundred eighty-three thousand, six hundred eight".