3816831844 has 12 divisors (see below), whose sum is σ = 7633663744. Its totient is φ = 1635785064.

The previous prime is 3816831803. The next prime is 3816831847. The reversal of 3816831844 is 4481386183.

It is a happy number.

3816831844 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3816831794 and 3816831803.

It is not an unprimeable number, because it can be changed into a prime (3816831847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68157684 + ... + 68157739.

Almost surely, 2^3816831844 is an apocalyptic number.

It is an amenable number.

3816831844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3816831844 is a wasteful number, since it uses less digits than its factorization.

3816831844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136315434 (or 136315432 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 3816831844 is about 61780.5134650077. The cubic root of 3816831844 is about 1562.7913867574.

The spelling of 3816831844 in words is "three billion, eight hundred sixteen million, eight hundred thirty-one thousand, eight hundred forty-four".