9994243 has 4 divisors (see below), whose sum is σ = 11422000. Its totient is φ = 8566488.

The previous prime is 9994223. The next prime is 9994261. The reversal of 9994243 is 3424999.

9994243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424999 = 23 ⋅148913.

It is not a de Polignac number, because 9994243 - 2¹³ = 9986051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9994196 and 9994205.

It is not an unprimeable number, because it can be changed into a prime (9994223) 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, 713868 + ... + 713881.

It is an arithmetic number, because the mean of its divisors is an integer number (2855500).

Almost surely, 2^9994243 is an apocalyptic number.

9994243 is a deficient number, since it is larger than the sum of its proper divisors (1427757).

9994243 is a wasteful number, since it uses less digits than its factorization.

9994243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427756.

The product of its digits is 69984, while the sum is 40.

The square root of 9994243 is about 3161.3672674968. The cubic root of 9994243 is about 215.4021174651.

The spelling of 9994243 in words is "nine million, nine hundred ninety-four thousand, two hundred forty-three".