28653168 has 20 divisors (see below), whose sum is σ = 74020808. Its totient is φ = 9551040.

The previous prime is 28653151. The next prime is 28653169. The reversal of 28653168 is 86135682.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653169) by changing a digit.

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, 298423 + ... + 298518.

Almost surely, 2^28653168 is an apocalyptic number.

It is an amenable number.

28653168 is an abundant number, since it is smaller than the sum of its proper divisors (45367640).

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

28653168 is a wasteful number, since it uses less digits than its factorization.

28653168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596952 (or 596946 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 28653168 is about 5352.8654008858. The cubic root of 28653168 is about 306.0019650436.

The spelling of 28653168 in words is "twenty-eight million, six hundred fifty-three thousand, one hundred sixty-eight".