3873821080 has 64 divisors (see below), whose sum is σ = 9189612000. Its totient is φ = 1465611264.

The previous prime is 3873821071. The next prime is 3873821089. The reversal of 3873821080 is 801283783.

It is an interprime number because it is at equal distance from previous prime (3873821071) and next prime (3873821089).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873821089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510756 + ... + 518284.

Almost surely, 2^3873821080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3873821080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4594806000).

3873821080 is an abundant number, since it is smaller than the sum of its proper divisors (5315790920).

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

3873821080 is a wasteful number, since it uses less digits than its factorization.

3873821080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236 (or 8232 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 3873821080 is about 62240.0279562919. The cubic root of 3873821080 is about 1570.5310224487.

The spelling of 3873821080 in words is "three billion, eight hundred seventy-three million, eight hundred twenty-one thousand, eighty".