3821685900 has 72 divisors (see below), whose sum is σ = 11097570960. Its totient is φ = 1015415040.

The previous prime is 3821685841. The next prime is 3821685913. The reversal of 3821685900 is 95861283.

It is a super-3 number, since 3×3821685900³ (a number of 30 digits) contains 333 as substring.

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, 60106 + ... + 106094.

It is an arithmetic number, because the mean of its divisors is an integer number (154132930).

Almost surely, 2^3821685900 is an apocalyptic number.

3821685900 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 3821685900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5548785480).

3821685900 is an abundant number, since it is smaller than the sum of its proper divisors (7275885060).

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

3821685900 is a wasteful number, since it uses less digits than its factorization.

3821685900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46283 (or 46276 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3821685900 is about 61819.7856676970. The cubic root of 3821685900 is about 1563.4535994431.

The spelling of 3821685900 in words is "three billion, eight hundred twenty-one million, six hundred eighty-five thousand, nine hundred".