28342168 has 8 divisors (see below), whose sum is σ = 53141580. Its totient is φ = 14171080.

The previous prime is 28342163. The next prime is 28342189. The reversal of 28342168 is 86124382.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28342163) 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 as a sum of consecutive naturals, namely, 1771378 + ... + 1771393.

Almost surely, 2^28342168 is an apocalyptic number.

It is an amenable number.

28342168 is a deficient number, since it is larger than the sum of its proper divisors (24799412).

28342168 is a wasteful number, since it uses less digits than its factorization.

28342168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542777 (or 3542773 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 28342168 is about 5323.7362819734. The cubic root of 28342168 is about 304.8908253886.

The spelling of 28342168 in words is "twenty-eight million, three hundred forty-two thousand, one hundred sixty-eight".