3873867840 has 168 divisors, whose sum is σ = 13608466560. Its totient is φ = 1011016704.

The previous prime is 3873867761. The next prime is 3873867853. The reversal of 3873867840 is 487683783.

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 23 ways as a sum of consecutive naturals, for example, 121051 + ... + 149669.

Almost surely, 2^3873867840 is an apocalyptic number.

3873867840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3873867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6804233280).

3873867840 is an abundant number, since it is smaller than the sum of its proper divisors (9734598720).

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

3873867840 is a wasteful number, since it uses less digits than its factorization.

3873867840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689 (or 28676 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 3873867840 is about 62240.4035976632. The cubic root of 3873867840 is about 1570.5373415958.

The spelling of 3873867840 in words is "three billion, eight hundred seventy-three million, eight hundred sixty-seven thousand, eight hundred forty".