2015966 has 8 divisors (see below), whose sum is σ = 3032760. Its totient is φ = 1005048.

The previous prime is 2015947. The next prime is 2015977. The reversal of 2015966 is 6695102.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 476 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (379095).

2^2015966 is an apocalyptic number.

2015966 is a deficient number, since it is larger than the sum of its proper divisors (1016794).

2015966 is a wasteful number, since it uses less digits than its factorization.

2015966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2015966 is about 1419.8471748748. The cubic root of 2015966 is about 126.3264817764.

The spelling of 2015966 in words is "two million, fifteen thousand, nine hundred sixty-six".