3851838100 has 72 divisors (see below), whose sum is σ = 9140539968. Its totient is φ = 1397260800.

The previous prime is 3851838091. The next prime is 3851838113. The reversal of 3851838100 is 18381583.

It is a super-2 number, since 2×3851838100² = 29673313497223220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3851838100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472257 + ... + 480343.

It is an arithmetic number, because the mean of its divisors is an integer number (126951944).

Almost surely, 2^3851838100 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 3851838100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570269984).

3851838100 is an abundant number, since it is smaller than the sum of its proper divisors (5288701868).

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

3851838100 is a wasteful number, since it uses less digits than its factorization.

3851838100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545 (or 8538 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 3851838100 is about 62063.1782943800. The cubic root of 3851838100 is about 1567.5545929856.

The spelling of 3851838100 in words is "three billion, eight hundred fifty-one million, eight hundred thirty-eight thousand, one hundred".