3685165 has 8 divisors (see below), whose sum is σ = 4824288. Its totient is φ = 2680080.

The previous prime is 3685153. The next prime is 3685169. The reversal of 3685165 is 5615863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3685165 - 2⁵ = 3685133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3685165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33447 + ... + 33556.

It is an arithmetic number, because the mean of its divisors is an integer number (603036).

Almost surely, 2^3685165 is an apocalyptic number.

It is an amenable number.

3685165 is a deficient number, since it is larger than the sum of its proper divisors (1139123).

3685165 is a wasteful number, since it uses less digits than its factorization.

3685165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67019.

The product of its digits is 21600, while the sum is 34.

The square root of 3685165 is about 1919.6783584757. The cubic root of 3685165 is about 154.4610487509.

The spelling of 3685165 in words is "three million, six hundred eighty-five thousand, one hundred sixty-five".