28600173 has 18 divisors (see below), whose sum is σ = 48056814. Its totient is φ = 16342704.

The previous prime is 28600163. The next prime is 28600189. The reversal of 28600173 is 37100682.

It can be written as a sum of positive squares in only one way, i.e., 26904969 + 1695204 = 5187^2 + 1302^2 .

It is not a de Polignac number, because 28600173 - 2⁴ = 28600157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31986 + ... + 32867.

It is an arithmetic number, because the mean of its divisors is an integer number (2669823).

Almost surely, 2^28600173 is an apocalyptic number.

It is an amenable number.

28600173 is a deficient number, since it is larger than the sum of its proper divisors (19456641).

28600173 is a wasteful number, since it uses less digits than its factorization.

28600173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64873 (or 64863 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28600173 is about 5347.9129574068. The cubic root of 28600173 is about 305.8131949673.

The spelling of 28600173 in words is "twenty-eight million, six hundred thousand, one hundred seventy-three".