3681015 has 32 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 1766016.

The previous prime is 3681001. The next prime is 3681017. The reversal of 3681015 is 5101863.

It is not a de Polignac number, because 3681015 - 2⁵ = 3680983 is a prime.

3681015 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681017) 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 31 ways as a sum of consecutive naturals, for example, 8166 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

Almost surely, 2^3681015 is an apocalyptic number.

3681015 is a deficient number, since it is larger than the sum of its proper divisors (2823945).

3681015 is a wasteful number, since it uses less digits than its factorization.

3681015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3681015 is about 1918.5971437485. The cubic root of 3681015 is about 154.4030455474.

Adding to 3681015 its reverse (5101863), we get a palindrome (8782878).

The spelling of 3681015 in words is "three million, six hundred eighty-one thousand, fifteen".