28260183 has 16 divisors (see below), whose sum is σ = 43877376. Its totient is φ = 15843360.

The previous prime is 28260179. The next prime is 28260191. The reversal of 28260183 is 38106282.

It is not a de Polignac number, because 28260183 - 2² = 28260179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28260183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28260083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11583 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (2742336).

Almost surely, 2^28260183 is an apocalyptic number.

28260183 is a deficient number, since it is larger than the sum of its proper divisors (15617193).

28260183 is a wasteful number, since it uses less digits than its factorization.

28260183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25454.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28260183 is about 5316.0307561187. The cubic root of 28260183 is about 304.5965569632.

The spelling of 28260183 in words is "twenty-eight million, two hundred sixty thousand, one hundred eighty-three".