918956 has 6 divisors (see below), whose sum is σ = 1608180. Its totient is φ = 459476.

The previous prime is 918949. The next prime is 918959. The reversal of 918956 is 659819.

It is not an unprimeable number, because it can be changed into a prime (918959) by changing a digit.

918956 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 as a sum of consecutive naturals, namely, 114866 + ... + 114873.

It is an arithmetic number, because the mean of its divisors is an integer number (268030).

2⁹¹⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

918956 is a deficient number, since it is larger than the sum of its proper divisors (689224).

918956 is a wasteful number, since it uses less digits than its factorization.

918956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229743 (or 229741 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 918956 is about 958.6219275606. The cubic root of 918956 is about 97.2220794677. Note that the first 3 decimals are identical.

The spelling of 918956 in words is "nine hundred eighteen thousand, nine hundred fifty-six".