3601865684 has 12 divisors (see below), whose sum is σ = 6674045364. Its totient is φ = 1694995584.

The previous prime is 3601865681. The next prime is 3601865699. The reversal of 3601865684 is 4865681063.

3601865684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2293452100 + 1308413584 = 47890^2 + 36172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601865681) 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, 26484239 + ... + 26484374.

It is an arithmetic number, because the mean of its divisors is an integer number (556170447).

Almost surely, 2^3601865684 is an apocalyptic number.

3601865684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3601865684 is a deficient number, since it is larger than the sum of its proper divisors (3072179680).

3601865684 is a wasteful number, since it uses less digits than its factorization.

3601865684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52968634 (or 52968632 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 3601865684 is about 60015.5453528500. The cubic root of 3601865684 is about 1532.8835767021.

The spelling of 3601865684 in words is "three billion, six hundred one million, eight hundred sixty-five thousand, six hundred eighty-four".