3685858859 has 16 divisors (see below), whose sum is σ = 4182435648. Its totient is φ = 3228521472.

The previous prime is 3685858819. The next prime is 3685858867. The reversal of 3685858859 is 9588585863.

It is a cyclic number.

It is not a de Polignac number, because 3685858859 - 2¹² = 3685854763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3685858795 and 3685858804.

It is not an unprimeable number, because it can be changed into a prime (3685858819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112922 + ... + 141855.

It is an arithmetic number, because the mean of its divisors is an integer number (261402228).

Almost surely, 2^3685858859 is an apocalyptic number.

3685858859 is a deficient number, since it is larger than the sum of its proper divisors (496576789).

3685858859 is a wasteful number, since it uses less digits than its factorization.

3685858859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254854.

The product of its digits is 82944000, while the sum is 65.

The square root of 3685858859 is about 60711.2745624732. The cubic root of 3685858859 is about 1544.7074234335.

The spelling of 3685858859 in words is "three billion, six hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred fifty-nine".