28295163 has 48 divisors (see below), whose sum is σ = 46781280. Its totient is φ = 17083872.

The previous prime is 28295159. The next prime is 28295177. The reversal of 28295163 is 36159282.

It is not a de Polignac number, because 28295163 - 2² = 28295159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28295153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533845 + ... + 533897.

It is an arithmetic number, because the mean of its divisors is an integer number (974610).

Almost surely, 2^28295163 is an apocalyptic number.

28295163 is a deficient number, since it is larger than the sum of its proper divisors (18486117).

28295163 is an frugal number, since it uses more digits than its factorization.

28295163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 69 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28295163 is about 5319.3197873412. The cubic root of 28295163 is about 304.7221800525.

The spelling of 28295163 in words is "twenty-eight million, two hundred ninety-five thousand, one hundred sixty-three".