9908243 has 4 divisors (see below), whose sum is σ = 9917280. Its totient is φ = 9899208.

The previous prime is 9908231. The next prime is 9908257. The reversal of 9908243 is 3428099.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9908243 - 2¹⁸ = 9646099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9908203) 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, 2603 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (2479320).

Almost surely, 2^9908243 is an apocalyptic number.

9908243 is a deficient number, since it is larger than the sum of its proper divisors (9037).

9908243 is a wasteful number, since it uses less digits than its factorization.

9908243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9908243 is about 3147.7361706471. The cubic root of 9908243 is about 214.7824950161.

The spelling of 9908243 in words is "nine million, nine hundred eight thousand, two hundred forty-three".