28435 has 12 divisors (see below), whose sum is σ = 38304. Its totient is φ = 20240.
The previous prime is 28433. The next prime is 28439. The reversal of 28435 is 53482.
It is not a de Polignac number, because 28435 - 21 = 28433 is a prime.
It is a Duffinian number.
28435 is a lucky number.
It is a plaindrome in base 12.
It is a nialpdrome in base 14.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (28433) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 628.
It is an arithmetic number, because the mean of its divisors is an integer number (3192).
228435 is an apocalyptic number.
28435 is a deficient number, since it is larger than the sum of its proper divisors (9869).
28435 is a wasteful number, since it uses less digits than its factorization.
28435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74 (or 63 counting only the distinct ones).
The product of its digits is 960, while the sum is 22.
The square root of 28435 is about 168.6268068843. The cubic root of 28435 is about 30.5223342639.
The spelling of 28435 in words is "twenty-eight thousand, four hundred thirty-five".
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