2017966 has 4 divisors (see below), whose sum is σ = 3026952. Its totient is φ = 1008982.

The previous prime is 2017963. The next prime is 2017987. The reversal of 2017966 is 6697102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697102 = 2 ⋅3348551.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017963) 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 as a sum of consecutive naturals, namely, 504490 + ... + 504493.

It is an arithmetic number, because the mean of its divisors is an integer number (756738).

2^2017966 is an apocalyptic number.

2017966 is a deficient number, since it is larger than the sum of its proper divisors (1008986).

2017966 is a wasteful number, since it uses less digits than its factorization.

2017966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008985.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2017966 is about 1420.5513014319. The cubic root of 2017966 is about 126.3682433040.

The spelling of 2017966 in words is "two million, seventeen thousand, nine hundred sixty-six".