9918343 has 4 divisors (see below), whose sum is σ = 9952488. Its totient is φ = 9884200.

The previous prime is 9918317. The next prime is 9918353. The reversal of 9918343 is 3438199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9918343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9918353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16633 + ... + 17218.

It is an arithmetic number, because the mean of its divisors is an integer number (2488122).

Almost surely, 2^9918343 is an apocalyptic number.

9918343 is a deficient number, since it is larger than the sum of its proper divisors (34145).

9918343 is a wasteful number, since it uses less digits than its factorization.

9918343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34144.

The product of its digits is 23328, while the sum is 37.

The square root of 9918343 is about 3149.3400896061. The cubic root of 9918343 is about 214.8554499797.

The spelling of 9918343 in words is "nine million, nine hundred eighteen thousand, three hundred forty-three".