3861007388 has 24 divisors (see below), whose sum is σ = 7867716192. Its totient is φ = 1623495744.

The previous prime is 3861007379. The next prime is 3861007463. The reversal of 3861007388 is 8837001683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299395 + ... + 1302362.

It is an arithmetic number, because the mean of its divisors is an integer number (327821508).

Almost surely, 2^3861007388 is an apocalyptic number.

It is an amenable number.

3861007388 is an abundant number, since it is smaller than the sum of its proper divisors (4006708804).

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

3861007388 is a wasteful number, since it uses less digits than its factorization.

3861007388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601821 (or 2601819 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 3861007388 is about 62137.0049809290. The cubic root of 3861007388 is about 1568.7974601536.

The spelling of 3861007388 in words is "three billion, eight hundred sixty-one million, seven thousand, three hundred eighty-eight".