923966 has 4 divisors (see below), whose sum is σ = 1385952. Its totient is φ = 461982.

The previous prime is 923963. The next prime is 923971. The reversal of 923966 is 669329.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230990 + ... + 230993.

It is an arithmetic number, because the mean of its divisors is an integer number (346488).

2⁹²³⁹⁶⁶ is an apocalyptic number.

923966 is a deficient number, since it is larger than the sum of its proper divisors (461986).

923966 is a wasteful number, since it uses less digits than its factorization.

923966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461985.

The product of its digits is 17496, while the sum is 35.

The square root of 923966 is about 961.2315017726. The cubic root of 923966 is about 97.3984390627.

The spelling of 923966 in words is "nine hundred twenty-three thousand, nine hundred sixty-six".