28696168 has 8 divisors (see below), whose sum is σ = 53805330. Its totient is φ = 14348080.

The previous prime is 28696163. The next prime is 28696177. The reversal of 28696168 is 86169682.

It can be written as a sum of positive squares in only one way, i.e., 26440164 + 2256004 = 5142^2 + 1502^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28696163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1793503 + ... + 1793518.

Almost surely, 2^28696168 is an apocalyptic number.

It is an amenable number.

28696168 is a deficient number, since it is larger than the sum of its proper divisors (25109162).

28696168 is a wasteful number, since it uses less digits than its factorization.

28696168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587027 (or 3587023 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 28696168 is about 5356.8804354773. The cubic root of 28696168 is about 306.1549615969.

The spelling of 28696168 in words is "twenty-eight million, six hundred ninety-six thousand, one hundred sixty-eight".