It is a sphenic number, since it is the product of 3 distinct primes.
28734 is an admirable number.
It is an Ulam number.
It is a d-powerful number, because it can be written as 213 + 83 + 73 + 39 + 4 .
It is a congruent number.
It is an unprimeable number.
228734 is an apocalyptic number.
28734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28734 is a wasteful number, since it uses less digits than its factorization.
28734 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4794.
The square root of 28734 is about 169.5110615860. The cubic root of 28734 is about 30.6289443760.
The spelling of 28734 in words is "twenty-eight thousand, seven hundred thirty-four".