3688585 has 4 divisors (see below), whose sum is σ = 4426308. Its totient is φ = 2950864.

The previous prime is 3688571. The next prime is 3688591. The reversal of 3688585 is 5858863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5858863 = 17 ⋅344639.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 2996361 = 832^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688585 - 2¹¹ = 3686537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368854 + ... + 368863.

It is an arithmetic number, because the mean of its divisors is an integer number (1106577).

Almost surely, 2^3688585 is an apocalyptic number.

It is an amenable number.

3688585 is a deficient number, since it is larger than the sum of its proper divisors (737723).

3688585 is an equidigital number, since it uses as much as digits as its factorization.

3688585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737722.

The product of its digits is 230400, while the sum is 43.

The square root of 3688585 is about 1920.5689261258. The cubic root of 3688585 is about 154.5088162598.

It can be divided in two parts, 368858 and 5, that added together give a palindrome (368863).

The spelling of 3688585 in words is "three million, six hundred eighty-eight thousand, five hundred eighty-five".