3816435644 has 12 divisors (see below), whose sum is σ = 7632871344. Its totient is φ = 1635615264.

The previous prime is 3816435643. The next prime is 3816435683. The reversal of 3816435644 is 4465346183.

3816435644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3816435595 and 3816435604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816435643) 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, 68150609 + ... + 68150664.

It is an arithmetic number, because the mean of its divisors is an integer number (636072612).

Almost surely, 2^3816435644 is an apocalyptic number.

It is an amenable number.

3816435644 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.

3816435644 is a wasteful number, since it uses less digits than its factorization.

3816435644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136301284 (or 136301282 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 3816435644 is about 61777.3068691085. The cubic root of 3816435644 is about 1562.7373105499.

The spelling of 3816435644 in words is "three billion, eight hundred sixteen million, four hundred thirty-five thousand, six hundred forty-four".