3943347408 has 480 divisors, whose sum is σ = 15330963200. Its totient is φ = 944317440.

The previous prime is 3943347407. The next prime is 3943347427. The reversal of 3943347408 is 8047433493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943347407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4756338 + ... + 4757166.

Almost surely, 2^3943347408 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 3943347408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7665481600).

3943347408 is an abundant number, since it is smaller than the sum of its proper divisors (11387615792).

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

3943347408 is a wasteful number, since it uses less digits than its factorization.

3943347408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 3943347408 is about 62796.0779667011. The cubic root of 3943347408 is about 1579.8711917639.

The spelling of 3943347408 in words is "three billion, nine hundred forty-three million, three hundred forty-seven thousand, four hundred eight".