3861307530 has 64 divisors (see below), whose sum is σ = 10375516800. Its totient is φ = 1021812480.

The previous prime is 3861307501. The next prime is 3861307537. The reversal of 3861307530 is 357031683.

3861307530 is a `hidden beast` number, since 3 + 8 + 613 + 0 + 7 + 5 + 30 = 666.

It is a super-3 number, since 3×3861307530³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3861307537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19215 + ... + 89954.

It is an arithmetic number, because the mean of its divisors is an integer number (162117450).

Almost surely, 2^3861307530 is an apocalyptic number.

3861307530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3861307530 is an abundant number, since it is smaller than the sum of its proper divisors (6514209270).

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

3861307530 is a wasteful number, since it uses less digits than its factorization.

3861307530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109316 (or 109310 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 3861307530 is about 62139.4200970688. The cubic root of 3861307530 is about 1568.8381101498.

The spelling of 3861307530 in words is "three billion, eight hundred sixty-one million, three hundred seven thousand, five hundred thirty".