28535168 has 16 divisors (see below), whose sum is σ = 56847660. Its totient is φ = 14267520.

The previous prime is 28535167. The next prime is 28535261. The reversal of 28535168 is 86153582.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28535161) 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 as a sum of consecutive naturals, namely, 111338 + ... + 111593.

Almost surely, 2^28535168 is an apocalyptic number.

It is an amenable number.

28535168 is a deficient number, since it is larger than the sum of its proper divisors (28312492).

28535168 is an equidigital number, since it uses as much as digits as its factorization.

28535168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222945 (or 222933 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 28535168 is about 5341.8318955205. The cubic root of 28535168 is about 305.5813261252.

It can be divided in two parts, 285 and 35168, that added together give a palindrome (35453).

The spelling of 28535168 in words is "twenty-eight million, five hundred thirty-five thousand, one hundred sixty-eight".