28163248 has 10 divisors (see below), whose sum is σ = 54566324. Its totient is φ = 14081616.

The previous prime is 28163243. The next prime is 28163287. The reversal of 28163248 is 84236182.

It is not an unprimeable number, because it can be changed into a prime (28163243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880086 + ... + 880117.

Almost surely, 2^28163248 is an apocalyptic number.

It is an amenable number.

28163248 is a deficient number, since it is larger than the sum of its proper divisors (26403076).

28163248 is a wasteful number, since it uses less digits than its factorization.

28163248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760211 (or 1760205 counting only the distinct ones).

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

The square root of 28163248 is about 5306.9056897593. The cubic root of 28163248 is about 304.2478933711.

The spelling of 28163248 in words is "twenty-eight million, one hundred sixty-three thousand, two hundred forty-eight".