3869950656 has 224 divisors, whose sum is σ = 12238329600. Its totient is φ = 1063710720.

The previous prime is 3869950607. The next prime is 3869950673. The reversal of 3869950656 is 6560599683.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3869950596 and 3869950605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1618710 + ... + 1621098.

It is an arithmetic number, because the mean of its divisors is an integer number (54635400).

Almost surely, 2^3869950656 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 3869950656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6119164800).

3869950656 is an abundant number, since it is smaller than the sum of its proper divisors (8368378944).

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

3869950656 is a wasteful number, since it uses less digits than its factorization.

3869950656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 57.

The square root of 3869950656 is about 62208.9274622220. The cubic root of 3869950656 is about 1570.0077968969.

The spelling of 3869950656 in words is "three billion, eight hundred sixty-nine million, nine hundred fifty thousand, six hundred fifty-six".