3853406648 has 96 divisors (see below), whose sum is σ = 9272536560. Its totient is φ = 1487162880.

The previous prime is 3853406647. The next prime is 3853406651. The reversal of 3853406648 is 8466043583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853406647) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 199715 + ... + 218157.

Almost surely, 2^3853406648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3853406648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4636268280).

3853406648 is an abundant number, since it is smaller than the sum of its proper divisors (5419129912).

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

3853406648 is a wasteful number, since it uses less digits than its factorization.

3853406648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517 (or 18506 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The square root of 3853406648 is about 62075.8137119442. The cubic root of 3853406648 is about 1567.7673443074.

The spelling of 3853406648 in words is "three billion, eight hundred fifty-three million, four hundred six thousand, six hundred forty-eight".