918968 has 16 divisors (see below), whose sum is σ = 1733280. Its totient is φ = 456768.

The previous prime is 918959. The next prime is 918971. The reversal of 918968 is 869819.

It is a congruent number.

It is an unprimeable number.

918968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (108330).

2⁹¹⁸⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

918968 is a deficient number, since it is larger than the sum of its proper divisors (814312).

918968 is a wasteful number, since it uses less digits than its factorization.

918968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 682 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 918968 is about 958.6281865249. The cubic root of 918968 is about 97.2225026507. Note that the first 3 decimals are identical.

The spelling of 918968 in words is "nine hundred eighteen thousand, nine hundred sixty-eight".