28806168 has 32 divisors (see below), whose sum is σ = 72549360. Its totient is φ = 9530880.

The previous prime is 28806163. The next prime is 28806179. The reversal of 28806168 is 86160882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28806163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093 + ... + 7668.

Almost surely, 2^28806168 is an apocalyptic number.

It is an amenable number.

28806168 is an abundant number, since it is smaller than the sum of its proper divisors (43743192).

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

28806168 is a wasteful number, since it uses less digits than its factorization.

28806168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 28806168 is about 5367.1377847042. The cubic root of 28806168 is about 306.5456537870.

The spelling of 28806168 in words is "twenty-eight million, eight hundred six thousand, one hundred sixty-eight".