3861236841 has 16 divisors (see below), whose sum is σ = 6418679808. Its totient is φ = 2005837200.

The previous prime is 3861236833. The next prime is 3861236857. The reversal of 3861236841 is 1486321683.

3861236841 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3861236841 - 2³ = 3861236833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3861236793 and 3861236802.

It is not an unprimeable number, because it can be changed into a prime (3861236891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357425 + ... + 8357886.

It is an arithmetic number, because the mean of its divisors is an integer number (401167488).

Almost surely, 2^3861236841 is an apocalyptic number.

It is an amenable number.

3861236841 is a deficient number, since it is larger than the sum of its proper divisors (2557442967).

3861236841 is a wasteful number, since it uses less digits than its factorization.

3861236841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16715332.

The product of its digits is 165888, while the sum is 42.

The square root of 3861236841 is about 62138.8513009373. The cubic root of 3861236841 is about 1568.8285365125.

The spelling of 3861236841 in words is "three billion, eight hundred sixty-one million, two hundred thirty-six thousand, eight hundred forty-one".