3447443868 has 96 divisors (see below), whose sum is σ = 8951040000. Its totient is φ = 1023871680.

The previous prime is 3447443827. The next prime is 3447443869. The reversal of 3447443868 is 8683447443.

It is a self number, because there is not a number n which added to its sum of digits gives 3447443868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447443869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4664643 + ... + 4665381.

It is an arithmetic number, because the mean of its divisors is an integer number (93240000).

Almost surely, 2^3447443868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3447443868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475520000).

3447443868 is an abundant number, since it is smaller than the sum of its proper divisors (5503596132).

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

3447443868 is a wasteful number, since it uses less digits than its factorization.

3447443868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1413 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 51.

The square root of 3447443868 is about 58714.9373498772. The cubic root of 3447443868 is about 1510.6565377392.

The spelling of 3447443868 in words is "three billion, four hundred forty-seven million, four hundred forty-three thousand, eight hundred sixty-eight".