8485861 has 4 divisors (see below), whose sum is σ = 8568352. Its totient is φ = 8403372.

The previous prime is 8485859. The next prime is 8485877. The reversal of 8485861 is 1685848.

8485861 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8485861 - 2¹ = 8485859 is a prime.

It is a super-2 number, since 2×8485861² = 144019673822642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41091 + ... + 41296.

It is an arithmetic number, because the mean of its divisors is an integer number (2142088).

Almost surely, 2^8485861 is an apocalyptic number.

It is an amenable number.

8485861 is a deficient number, since it is larger than the sum of its proper divisors (82491).

8485861 is a wasteful number, since it uses less digits than its factorization.

8485861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82490.

The product of its digits is 61440, while the sum is 40.

The square root of 8485861 is about 2913.0501197199. The cubic root of 8485861 is about 203.9695344098.

The spelling of 8485861 in words is "eight million, four hundred eighty-five thousand, eight hundred sixty-one".