3821856336 has 60 divisors (see below), whose sum is σ = 10703808960. Its totient is φ = 1273008960.

The previous prime is 3821856331. The next prime is 3821856347. The reversal of 3821856336 is 6336581283.

3821856336 is a `hidden beast` number, since 3 + 8 + 2 + 1 + 8 + 5 + 633 + 6 = 666.

3821856336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3821856291 and 3821856300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821856331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201001 + ... + 219191.

It is an arithmetic number, because the mean of its divisors is an integer number (178396816).

Almost surely, 2^3821856336 is an apocalyptic number.

3821856336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3821856336 is an abundant number, since it is smaller than the sum of its proper divisors (6881952624).

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

3821856336 is a wasteful number, since it uses less digits than its factorization.

3821856336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19664 (or 19655 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 3821856336 is about 61821.1641430344. The cubic root of 3821856336 is about 1563.4768409150.

It can be divided in two parts, 382185 and 6336, that added together give a triangular number (388521 = T₈₈₁).

The spelling of 3821856336 in words is "three billion, eight hundred twenty-one million, eight hundred fifty-six thousand, three hundred thirty-six".