3861867748 has 24 divisors (see below), whose sum is σ = 6964691832. Its totient is φ = 1872313344.

The previous prime is 3861867731. The next prime is 3861867767. The reversal of 3861867748 is 8477681683.

It can be written as a sum of positive squares in 4 ways, for example, as 1443392064 + 2418475684 = 37992^2 + 49178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3861867692 and 3861867701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 87892.

It is an arithmetic number, because the mean of its divisors is an integer number (290195493).

Almost surely, 2^3861867748 is an apocalyptic number.

It is an amenable number.

3861867748 is a deficient number, since it is larger than the sum of its proper divisors (3102824084).

3861867748 is a wasteful number, since it uses less digits than its factorization.

3861867748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89391 (or 89389 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The square root of 3861867748 is about 62143.9276840465. The cubic root of 3861867748 is about 1568.9139781333.

The spelling of 3861867748 in words is "three billion, eight hundred sixty-one million, eight hundred sixty-seven thousand, seven hundred forty-eight".