28026173 has 8 divisors (see below), whose sum is σ = 32216448. Its totient is φ = 23882544.

The previous prime is 28026169. The next prime is 28026179. The reversal of 28026173 is 37162082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28026173 - 2² = 28026169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10361 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (4027056).

Almost surely, 2^28026173 is an apocalyptic number.

It is an amenable number.

28026173 is a deficient number, since it is larger than the sum of its proper divisors (4190275).

28026173 is a wasteful number, since it uses less digits than its factorization.

28026173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23323.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28026173 is about 5293.9751605008. The cubic root of 28026173 is about 303.7534827738.

The spelling of 28026173 in words is "twenty-eight million, twenty-six thousand, one hundred seventy-three".