3805862636 has 12 divisors (see below), whose sum is σ = 6665120112. Its totient is φ = 1901542608.

The previous prime is 3805862633. The next prime is 3805862701. The reversal of 3805862636 is 6362685083.

It is not an unprimeable number, because it can be changed into a prime (3805862633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341000 + ... + 351983.

It is an arithmetic number, because the mean of its divisors is an integer number (555426676).

Almost surely, 2^3805862636 is an apocalyptic number.

It is an amenable number.

3805862636 is a deficient number, since it is larger than the sum of its proper divisors (2859257476).

3805862636 is a wasteful number, since it uses less digits than its factorization.

3805862636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694360 (or 694358 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 3805862636 is about 61691.6739601058. The cubic root of 3805862636 is about 1561.2928461877.

The spelling of 3805862636 in words is "three billion, eight hundred five million, eight hundred sixty-two thousand, six hundred thirty-six".