3886396812 has 36 divisors (see below), whose sum is σ = 9826897080. Its totient is φ = 1295076672.

The previous prime is 3886396799. The next prime is 3886396831. The reversal of 3886396812 is 2186936883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121363 + ... + 150005.

Almost surely, 2^3886396812 is an apocalyptic number.

It is an amenable number.

3886396812 is an abundant number, since it is smaller than the sum of its proper divisors (5940500268).

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

3886396812 is a wasteful number, since it uses less digits than its factorization.

3886396812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32422 (or 32417 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 3886396812 is about 62340.9721772126. The cubic root of 3886396812 is about 1572.2286781520.

The spelling of 3886396812 in words is "three billion, eight hundred eighty-six million, three hundred ninety-six thousand, eight hundred twelve".