3886621416 has 48 divisors (see below), whose sum is σ = 10532396160. Its totient is φ = 1294786080.

The previous prime is 3886621357. The next prime is 3886621421. The reversal of 3886621416 is 6141266883.

3886621416 is a `hidden beast` number, since 3 + 8 + 8 + 6 + 621 + 4 + 16 = 666.

3886621416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 116451 + ... + 146061.

It is an arithmetic number, because the mean of its divisors is an integer number (219424920).

Almost surely, 2^3886621416 is an apocalyptic number.

3886621416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3886621416 is an abundant number, since it is smaller than the sum of its proper divisors (6645774744).

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

3886621416 is a wasteful number, since it uses less digits than its factorization.

3886621416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446 (or 31439 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 3886621416 is about 62342.7735667896. The cubic root of 3886621416 is about 1572.2589651646.

The spelling of 3886621416 in words is "three billion, eight hundred eighty-six million, six hundred twenty-one thousand, four hundred sixteen".