28886168 has 8 divisors (see below), whose sum is σ = 54161580. Its totient is φ = 14443080.

The previous prime is 28886147. The next prime is 28886171. The reversal of 28886168 is 86168882.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 1805378 + ... + 1805393.

Almost surely, 2^28886168 is an apocalyptic number.

It is an amenable number.

28886168 is a deficient number, since it is larger than the sum of its proper divisors (25275412).

28886168 is a wasteful number, since it uses less digits than its factorization.

28886168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610777 (or 3610773 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 28886168 is about 5374.5853793572. The cubic root of 28886168 is about 306.8291692832.

The spelling of 28886168 in words is "twenty-eight million, eight hundred eighty-six thousand, one hundred sixty-eight".