8085520 has 40 divisors (see below), whose sum is σ = 18927360. Its totient is φ = 3212160.

The previous prime is 8085509. The next prime is 8085529. The reversal of 8085520 is 255808.

8085520 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8085529) 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, 16641 + ... + 17119.

It is an arithmetic number, because the mean of its divisors is an integer number (473184).

Almost surely, 2^8085520 is an apocalyptic number.

8085520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8085520 is an abundant number, since it is smaller than the sum of its proper divisors (10841840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8085520 is a wasteful number, since it uses less digits than its factorization.

8085520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 8085520 is about 2843.5048795457. The cubic root of 8085520 is about 200.7101421728.

It can be divided in two parts, 808 and 5520, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 8085520 in words is "eight million, eighty-five thousand, five hundred twenty".