3851688372 has 192 divisors, whose sum is σ = 10924720128. Its totient is φ = 1033200000.

The previous prime is 3851688361. The next prime is 3851688391. The reversal of 3851688372 is 2738861583.

Its product of digits (1935360) is a multiple of the sum of its prime divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15345247 + ... + 15345497.

It is an arithmetic number, because the mean of its divisors is an integer number (56899584).

Almost surely, 2^3851688372 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 3851688372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5462360064).

3851688372 is an abundant number, since it is smaller than the sum of its proper divisors (7073031756).

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

3851688372 is a wasteful number, since it uses less digits than its factorization.

3851688372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 3851688372 is about 62061.9720279657. The cubic root of 3851688372 is about 1567.5342814833.

The spelling of 3851688372 in words is "three billion, eight hundred fifty-one million, six hundred eighty-eight thousand, three hundred seventy-two".