3806684928 has 216 divisors, whose sum is σ = 11428085760. Its totient is φ = 1217341440.

The previous prime is 3806684927. The next prime is 3806684933. The reversal of 3806684928 is 8294866083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806684923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15927433 + ... + 15927671.

Almost surely, 2^3806684928 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 3806684928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5714042880).

3806684928 is an abundant number, since it is smaller than the sum of its proper divisors (7621400832).

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

3806684928 is a wasteful number, since it uses less digits than its factorization.

3806684928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 3806684928 is about 61698.3381299691. The cubic root of 3806684928 is about 1561.4052820346.

The spelling of 3806684928 in words is "three billion, eight hundred six million, six hundred eighty-four thousand, nine hundred twenty-eight".