3681185 has 8 divisors (see below), whose sum is σ = 4525416. Its totient is φ = 2872960.

The previous prime is 3681151. The next prime is 3681191. The reversal of 3681185 is 5811863.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 3055504 = 791^2 + 1748^2 .

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

It is not a de Polignac number, because 3681185 - 2¹⁶ = 3615649 is a prime.

It is a super-2 number, since 2×3681185² = 27102246008450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8774 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (565677).

Almost surely, 2^3681185 is an apocalyptic number.

It is an amenable number.

3681185 is a deficient number, since it is larger than the sum of its proper divisors (844231).

3681185 is a wasteful number, since it uses less digits than its factorization.

3681185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003.

The product of its digits is 5760, while the sum is 32.

The square root of 3681185 is about 1918.6414464407. The cubic root of 3681185 is about 154.4054224384.

The spelling of 3681185 in words is "three million, six hundred eighty-one thousand, one hundred eighty-five".