3858967786940 has 48 divisors (see below), whose sum is σ = 9261878066112. Its totient is φ = 1323023901696.

The previous prime is 3858967786937. The next prime is 3858967786969. The reversal of 3858967786940 is 496877698583.

It is a congruent number.

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, 3227714 + ... + 4258646.

It is an arithmetic number, because the mean of its divisors is an integer number (192955793044).

Almost surely, 2^{3858967786940} is an apocalyptic number.

It is an amenable number.

3858967786940 is an abundant number, since it is smaller than the sum of its proper divisors (5402910279172).

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

3858967786940 is a wasteful number, since it uses less digits than its factorization.

3858967786940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057686 (or 1057684 counting only the distinct ones).

The product of its (nonzero) digits is 4389396480, while the sum is 80.

The spelling of 3858967786940 in words is "three trillion, eight hundred fifty-eight billion, nine hundred sixty-seven million, seven hundred eighty-six thousand, nine hundred forty".