966187 has 4 divisors (see below), whose sum is σ = 968400. Its totient is φ = 963976.

The previous prime is 966157. The next prime is 966191. The reversal of 966187 is 781669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781669 = 7 ⋅111667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966157) 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 3 ways as a sum of consecutive naturals, for example, 208 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (242100).

2⁹⁶⁶¹⁸⁷ is an apocalyptic number.

966187 is a deficient number, since it is larger than the sum of its proper divisors (2213).

966187 is a wasteful number, since it uses less digits than its factorization.

966187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its digits is 18144, while the sum is 37.

The square root of 966187 is about 982.9481166369. The cubic root of 966187 is about 98.8599523035.

The spelling of 966187 in words is "nine hundred sixty-six thousand, one hundred eighty-seven".