3886390942192 has 40 divisors (see below), whose sum is σ = 8214530187312. Its totient is φ = 1766517043200.

The previous prime is 3886390942177. The next prime is 3886390942193. The reversal of 3886390942192 is 2912490936883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886390942193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21141298 + ... + 21324334.

Almost surely, 2^{3886390942192} is an apocalyptic number.

It is an amenable number.

3886390942192 is an abundant number, since it is smaller than the sum of its proper divisors (4328139245120).

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

3886390942192 is a wasteful number, since it uses less digits than its factorization.

3886390942192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303697 (or 303691 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 3886390942192 in words is "three trillion, eight hundred eighty-six billion, three hundred ninety million, nine hundred forty-two thousand, one hundred ninety-two".