9918344 has 32 divisors (see below), whose sum is σ = 19838520. Its totient is φ = 4632576.

The previous prime is 9918317. The next prime is 9918353. The reversal of 9918344 is 4438199.

9918344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5244100 + 4674244 = 2290^2 + 2162^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9918298 and 9918307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31532 + ... + 31844.

Almost surely, 2^9918344 is an apocalyptic number.

It is an amenable number.

9918344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

9918344 is a wasteful number, since it uses less digits than its factorization.

9918344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 565 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 9918344 is about 3149.3402483695. The cubic root of 9918344 is about 214.8554572005.

The spelling of 9918344 in words is "nine million, nine hundred eighteen thousand, three hundred forty-four".