3803565685 has 16 divisors (see below), whose sum is σ = 4655782080. Its totient is φ = 2982165120.

The previous prime is 3803565659. The next prime is 3803565707. The reversal of 3803565685 is 5865653083.

It is a happy number.

It is not a de Polignac number, because 3803565685 - 2⁹ = 3803565173 is a prime.

It is a super-2 number, since 2×3803565685² = 28934223840219038450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78169 + ... + 117121.

It is an arithmetic number, because the mean of its divisors is an integer number (290986380).

Almost surely, 2^3803565685 is an apocalyptic number.

It is an amenable number.

3803565685 is a deficient number, since it is larger than the sum of its proper divisors (852216395).

3803565685 is a wasteful number, since it uses less digits than its factorization.

3803565685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39348.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The square root of 3803565685 is about 61673.0547727287. The cubic root of 3803565685 is about 1560.9786874619.

The spelling of 3803565685 in words is "three billion, eight hundred three million, five hundred sixty-five thousand, six hundred eighty-five".