3806826660 has 960 divisors, whose sum is σ = 16392499200. Its totient is φ = 731566080.

The previous prime is 3806826619. The next prime is 3806826713. The reversal of 3806826660 is 666286083.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 122800845 + ... + 122800875.

It is an arithmetic number, because the mean of its divisors is an integer number (17075520).

Almost surely, 2^3806826660 is an apocalyptic number.

3806826660 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 3806826660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8196249600).

3806826660 is an abundant number, since it is smaller than the sum of its proper divisors (12585672540).

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

3806826660 is a wasteful number, since it uses less digits than its factorization.

3806826660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3806826660 is about 61699.4867077515. The cubic root of 3806826660 is about 1561.4246600806.

The spelling of 3806826660 in words is "three billion, eight hundred six million, eight hundred twenty-six thousand, six hundred sixty".