918916 has 24 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 427392.

The previous prime is 918913. The next prime is 918943. The reversal of 918916 is 619819.

Its product of digits (3888) is a multiple of the sum of its prime factors (243).

It is not an unprimeable number, because it can be changed into a prime (918913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁹¹⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

918916 is a deficient number, since it is larger than the sum of its proper divisors (804764).

918916 is a wasteful number, since it uses less digits than its factorization.

918916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 918916 is about 958.6010640512. The cubic root of 918916 is about 97.2206688308.

The spelling of 918916 in words is "nine hundred eighteen thousand, nine hundred sixteen".