911966 has 8 divisors (see below), whose sum is σ = 1492344. Its totient is φ = 414520.

The previous prime is 911959. The next prime is 911969. The reversal of 911966 is 669119.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911969) by changing a digit.

911966 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 20705 + ... + 20748.

It is an arithmetic number, because the mean of its divisors is an integer number (186543).

2⁹¹¹⁹⁶⁶ is an apocalyptic number.

911966 is a deficient number, since it is larger than the sum of its proper divisors (580378).

911966 is a wasteful number, since it uses less digits than its factorization.

911966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41466.

The product of its digits is 2916, while the sum is 32.

The square root of 911966 is about 954.9691094480. The cubic root of 911966 is about 96.9749465888.

The spelling of 911966 in words is "nine hundred eleven thousand, nine hundred sixty-six".