3886791312 has 40 divisors (see below), whose sum is σ = 10119955456. Its totient is φ = 1285393536.

The previous prime is 3886791283. The next prime is 3886791319. The reversal of 3886791312 is 2131976883.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3886791319) 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, 312703 + ... + 324894.

Almost surely, 2^3886791312 is an apocalyptic number.

It is an amenable number.

3886791312 is an abundant number, since it is smaller than the sum of its proper divisors (6233164144).

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

3886791312 is a wasteful number, since it uses less digits than its factorization.

3886791312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637735 (or 637729 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 3886791312 is about 62344.1361476763. The cubic root of 3886791312 is about 1572.2818742321.

The spelling of 3886791312 in words is "three billion, eight hundred eighty-six million, seven hundred ninety-one thousand, three hundred twelve".