3809508216 has 64 divisors (see below), whose sum is σ = 9955249920. Its totient is φ = 1212499200.

The previous prime is 3809508211. The next prime is 3809508221. The reversal of 3809508216 is 6128059083.

3809508216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3809508211) and next prime (3809508221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809508211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326011 + ... + 337493.

It is an arithmetic number, because the mean of its divisors is an integer number (155550780).

Almost surely, 2^3809508216 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 3809508216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4977624960).

3809508216 is an abundant number, since it is smaller than the sum of its proper divisors (6145741704).

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

3809508216 is a wasteful number, since it uses less digits than its factorization.

3809508216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116 (or 12112 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3809508216 is about 61721.2136627270. The cubic root of 3809508216 is about 1561.7912002724.

The spelling of 3809508216 in words is "three billion, eight hundred nine million, five hundred eight thousand, two hundred sixteen".