3805656100 has 81 divisors (see below), whose sum is σ = 8576359281. Its totient is φ = 1465754400.

The previous prime is 3805656089. The next prime is 3805656139. The reversal of 3805656100 is 16565083.

The square root of 3805656100 is 61690.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1370036196 + 2435619904 = 37014^2 + 49352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19123801 + ... + 19123999.

Almost surely, 2^3805656100 is an apocalyptic number.

3805656100 is the 61690-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3805656100

3805656100 is an abundant number, since it is smaller than the sum of its proper divisors (4770703181).

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

3805656100 is a wasteful number, since it uses less digits than its factorization.

3805656100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The cubic root of 3805656100 is about 1561.2646030058.

The spelling of 3805656100 in words is "three billion, eight hundred five million, six hundred fifty-six thousand, one hundred".