3867688044 has 108 divisors (see below), whose sum is σ = 10894346008. Its totient is φ = 1155876480.

The previous prime is 3867688043. The next prime is 3867688057. The reversal of 3867688044 is 4408867683.

It is not an unprimeable number, because it can be changed into a prime (3867688043) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311907 + ... + 324069.

Almost surely, 2^3867688044 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 3867688044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447173004).

3867688044 is an abundant number, since it is smaller than the sum of its proper divisors (7026657964).

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

3867688044 is a wasteful number, since it uses less digits than its factorization.

3867688044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268 (or 12252 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The square root of 3867688044 is about 62190.7392141306. The cubic root of 3867688044 is about 1569.7017627616.

The spelling of 3867688044 in words is "three billion, eight hundred sixty-seven million, six hundred eighty-eight thousand, forty-four".