3685589 has 4 divisors (see below), whose sum is σ = 3845856. Its totient is φ = 3525324.

The previous prime is 3685571. The next prime is 3685597. The reversal of 3685589 is 9855863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3685589 - 2¹⁶ = 3620053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685519) 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, 80099 + ... + 80144.

It is an arithmetic number, because the mean of its divisors is an integer number (961464).

Almost surely, 2^3685589 is an apocalyptic number.

It is an amenable number.

3685589 is a deficient number, since it is larger than the sum of its proper divisors (160267).

3685589 is a wasteful number, since it uses less digits than its factorization.

3685589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160266.

The product of its digits is 259200, while the sum is 44.

The square root of 3685589 is about 1919.7887904663. The cubic root of 3685589 is about 154.4669724090.

The spelling of 3685589 in words is "three million, six hundred eighty-five thousand, five hundred eighty-nine".