3895566012 has 36 divisors (see below), whose sum is σ = 10604597640. Its totient is φ = 1198635552.

The previous prime is 3895565939. The next prime is 3895566043. The reversal of 3895566012 is 2106655983.

3895566012 is a `hidden beast` number, since 3 + 89 + 5 + 566 + 0 + 1 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4161462 + ... + 4162397.

Almost surely, 2^3895566012 is an apocalyptic number.

It is an amenable number.

3895566012 is an abundant number, since it is smaller than the sum of its proper divisors (6709031628).

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

3895566012 is a wasteful number, since it uses less digits than its factorization.

3895566012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323882 (or 8323877 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3895566012 is about 62414.4695723676. The cubic root of 3895566012 is about 1573.4641633082.

The spelling of 3895566012 in words is "three billion, eight hundred ninety-five million, five hundred sixty-six thousand, twelve".