841085861 has 8 divisors (see below), whose sum is σ = 1048626624. Its totient is φ = 655391520.

The previous prime is 841085857. The next prime is 841085923. The reversal of 841085861 is 168580148.

841085861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 841085861 - 2² = 841085857 is a prime.

It is a super-2 number, since 2×841085861² = 1414850851148222642, 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 (841085801) 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, 5461520 + ... + 5461673.

It is an arithmetic number, because the mean of its divisors is an integer number (131078328).

Almost surely, 2^841085861 is an apocalyptic number.

It is an amenable number.

841085861 is a deficient number, since it is larger than the sum of its proper divisors (207540763).

841085861 is a wasteful number, since it uses less digits than its factorization.

841085861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923211.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 841085861 is about 29001.4803242869. The cubic root of 841085861 is about 943.9451892462.

The spelling of 841085861 in words is "eight hundred forty-one million, eighty-five thousand, eight hundred sixty-one".