3666015 has 24 divisors (see below), whose sum is σ = 6512688. Its totient is φ = 1906560.

The previous prime is 3666011. The next prime is 3666023. The reversal of 3666015 is 5106663.

It is not a de Polignac number, because 3666015 - 2² = 3666011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3666015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (271362).

Almost surely, 2^3666015 is an apocalyptic number.

3666015 is a deficient number, since it is larger than the sum of its proper divisors (2846673).

3666015 is a wasteful number, since it uses less digits than its factorization.

3666015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3666015 is about 1914.6840470427. The cubic root of 3666015 is about 154.1930311213.

The spelling of 3666015 in words is "three million, six hundred sixty-six thousand, fifteen".