3678165 has 12 divisors (see below), whose sum is σ = 6375564. Its totient is φ = 1961664.

The previous prime is 3678163. The next prime is 3678179. The reversal of 3678165 is 5618763.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 2643876 = 1017^2 + 1626^2 .

It is not a de Polignac number, because 3678165 - 2¹ = 3678163 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40824 + ... + 40913.

It is an arithmetic number, because the mean of its divisors is an integer number (531297).

Almost surely, 2^3678165 is an apocalyptic number.

It is an amenable number.

3678165 is a deficient number, since it is larger than the sum of its proper divisors (2697399).

3678165 is a wasteful number, since it uses less digits than its factorization.

3678165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81748 (or 81745 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3678165 is about 1917.8542697504. The cubic root of 3678165 is about 154.3631867678.

The spelling of 3678165 in words is "three million, six hundred seventy-eight thousand, one hundred sixty-five".