3688143408 has 80 divisors (see below), whose sum is σ = 10927872000. Its totient is φ = 1189719360.

The previous prime is 3688143391. The next prime is 3688143419. The reversal of 3688143408 is 8043418863.

3688143408 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124308 + ... + 151091.

It is an arithmetic number, because the mean of its divisors is an integer number (136598400).

Almost surely, 2^3688143408 is an apocalyptic number.

It is an amenable number.

3688143408 is an abundant number, since it is smaller than the sum of its proper divisors (7239728592).

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

3688143408 is a wasteful number, since it uses less digits than its factorization.

3688143408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275447 (or 275435 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 3688143408 is about 60730.0865140171. The cubic root of 3688143408 is about 1545.0265015720.

The spelling of 3688143408 in words is "three billion, six hundred eighty-eight million, one hundred forty-three thousand, four hundred eight".