8097985 has 12 divisors (see below), whose sum is σ = 11304468. Its totient is φ = 5552736.

The previous prime is 8097983. The next prime is 8098007. The reversal of 8097985 is 5897908.

It can be written as a sum of positive squares in 2 ways, for example, as 4986289 + 3111696 = 2233^2 + 1764^2 .

It is not a de Polignac number, because 8097985 - 2¹ = 8097983 is a prime.

It is a super-2 number, since 2×8097985² = 131154722120450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8097983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16282 + ... + 16771.

It is an arithmetic number, because the mean of its divisors is an integer number (942039).

Almost surely, 2^8097985 is an apocalyptic number.

It is an amenable number.

8097985 is a deficient number, since it is larger than the sum of its proper divisors (3206483).

8097985 is a wasteful number, since it uses less digits than its factorization.

8097985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33072 (or 33065 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 8097985 is about 2845.6958727173. The cubic root of 8097985 is about 200.8132304658.

The spelling of 8097985 in words is "eight million, ninety-seven thousand, nine hundred eighty-five".