3860640630 has 384 divisors, whose sum is σ = 13284311040. Its totient is φ = 783354240.

The previous prime is 3860640629. The next prime is 3860640649. The reversal of 3860640630 is 360460683.

3860640630 is a `hidden beast` number, since 3 + 8 + 6 + 0 + 640 + 6 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8793951 + ... + 8794389.

It is an arithmetic number, because the mean of its divisors is an integer number (34594560).

Almost surely, 2^3860640630 is an apocalyptic number.

3860640630 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 3860640630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642155520).

3860640630 is an abundant number, since it is smaller than the sum of its proper divisors (9423670410).

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

3860640630 is a wasteful number, since it uses less digits than its factorization.

3860640630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3860640630 is about 62134.0537064821. The cubic root of 3860640630 is about 1568.7477851008.

The spelling of 3860640630 in words is "three billion, eight hundred sixty million, six hundred forty thousand, six hundred thirty".