3854656841 has 8 divisors (see below), whose sum is σ = 4406247744. Its totient is φ = 3303297360.

The previous prime is 3854656837. The next prime is 3854656873. The reversal of 3854656841 is 1486564583.

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 3854656841 - 2² = 3854656837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3854656841.

It is not an unprimeable number, because it can be changed into a prime (3854656801) 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, 20555 + ... + 90176.

It is an arithmetic number, because the mean of its divisors is an integer number (550780968).

Almost surely, 2^3854656841 is an apocalyptic number.

It is an amenable number.

3854656841 is a deficient number, since it is larger than the sum of its proper divisors (551590903).

3854656841 is a wasteful number, since it uses less digits than its factorization.

3854656841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115711.

The product of its digits is 2764800, while the sum is 50.

The square root of 3854656841 is about 62085.8827834476. The cubic root of 3854656841 is about 1567.9368739391.

The spelling of 3854656841 in words is "three billion, eight hundred fifty-four million, six hundred fifty-six thousand, eight hundred forty-one".