28473171 has 8 divisors (see below), whose sum is σ = 38039184. Its totient is φ = 18944640.

The previous prime is 28473167. The next prime is 28473187. The reversal of 28473171 is 17137482.

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 28473171 - 2² = 28473167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28473161) 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, 7546 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (4754898).

Almost surely, 2^28473171 is an apocalyptic number.

28473171 is a deficient number, since it is larger than the sum of its proper divisors (9566013).

28473171 is a wasteful number, since it uses less digits than its factorization.

28473171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18741.

The product of its digits is 9408, while the sum is 33.

The square root of 28473171 is about 5336.0257683036. The cubic root of 28473171 is about 305.3598583274.

The spelling of 28473171 in words is "twenty-eight million, four hundred seventy-three thousand, one hundred seventy-one".