8085641 has 4 divisors (see below), whose sum is σ = 8109972. Its totient is φ = 8061312.

The previous prime is 8085619. The next prime is 8085643. The reversal of 8085641 is 1465808.

8085641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 687241 + 7398400 = 829^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 8085641 - 2¹⁰ = 8084617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8085598 and 8085607.

It is not an unprimeable number, because it can be changed into a prime (8085643) 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 3 ways as a sum of consecutive naturals, for example, 11660 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (2027493).

Almost surely, 2^8085641 is an apocalyptic number.

It is an amenable number.

8085641 is a deficient number, since it is larger than the sum of its proper divisors (24331).

8085641 is a wasteful number, since it uses less digits than its factorization.

8085641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24330.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8085641 is about 2843.5261560253. The cubic root of 8085641 is about 200.7111433785.

The spelling of 8085641 in words is "eight million, eighty-five thousand, six hundred forty-one".