918718844 has 6 divisors (see below), whose sum is σ = 1607757984. Its totient is φ = 459359420.

The previous prime is 918718841. The next prime is 918718847. The reversal of 918718844 is 448817819.

It is a happy number.

918718844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (918718841) and next prime (918718847).

It is a junction number, because it is equal to n+sod(n) for n = 918718792 and 918718801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918718841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114839852 + ... + 114839859.

It is an arithmetic number, because the mean of its divisors is an integer number (267959664).

Almost surely, 2^918718844 is an apocalyptic number.

It is an amenable number.

918718844 is a deficient number, since it is larger than the sum of its proper divisors (689039140).

918718844 is a wasteful number, since it uses less digits than its factorization.

918718844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229679715 (or 229679713 counting only the distinct ones).

The product of its digits is 516096, while the sum is 50.

The square root of 918718844 is about 30310.3751873843. The cubic root of 918718844 is about 972.1371534461.

The spelling of 918718844 in words is "nine hundred eighteen million, seven hundred eighteen thousand, eight hundred forty-four".