3986359650 has 384 divisors, whose sum is σ = 13900776960. Its totient is φ = 817413120.

The previous prime is 3986359571. The next prime is 3986359651. The reversal of 3986359650 is 569536893.

3986359650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3986359651) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4545012 + ... + 4545888.

It is an arithmetic number, because the mean of its divisors is an integer number (36199940).

Almost surely, 2^3986359650 is an apocalyptic number.

3986359650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3986359650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6950388480).

3986359650 is an abundant number, since it is smaller than the sum of its proper divisors (9914417310).

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

3986359650 is a wasteful number, since it uses less digits than its factorization.

3986359650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The square root of 3986359650 is about 63137.6246781584. The cubic root of 3986359650 is about 1585.5946048670.

The spelling of 3986359650 in words is "three billion, nine hundred eighty-six million, three hundred fifty-nine thousand, six hundred fifty".