3085861 has 8 divisors (see below), whose sum is σ = 3228120. Its totient is φ = 2946048.

The previous prime is 3085843. The next prime is 3085903. The reversal of 3085861 is 1685803.

3085861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 216225 + 2869636 = 465^2 + 1694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3085861 - 2⁹ = 3085349 is a prime.

It is a super-2 number, since 2×3085861² = 19045076222642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085561) 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 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (403515).

Almost surely, 2^3085861 is an apocalyptic number.

It is an amenable number.

3085861 is a deficient number, since it is larger than the sum of its proper divisors (142259).

3085861 is a wasteful number, since it uses less digits than its factorization.

3085861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 3085861 is about 1756.6618912016. The cubic root of 3085861 is about 145.5879575084.

The spelling of 3085861 in words is "three million, eighty-five thousand, eight hundred sixty-one".