8485 has 4 divisors (see below), whose sum is σ = 10188. Its totient is φ = 6784.

The previous prime is 8467. The next prime is 8501. The reversal of 8485 is 5848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6084 + 2401 = 78^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 8485 - 2¹³ = 293 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (2547).

It is an amenable number.

8485 is a deficient number, since it is larger than the sum of its proper divisors (1703).

8485 is a wasteful number, since it uses less digits than its factorization.

8485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

The product of its digits is 1280, while the sum is 25.

The square root of 8485 is about 92.1140597303. The cubic root of 8485 is about 20.3962635730.

It can be divided in two parts, 84 and 85, that multiplied together give a triangular number (7140 = T₁₁₉).

The spelling of 8485 in words is "eight thousand, four hundred eighty-five".