994243 has 4 divisors (see below), whose sum is σ = 996840. Its totient is φ = 991648.

The previous prime is 994241. The next prime is 994247. The reversal of 994243 is 342499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342499 = 17 ⋅20147.

It is a cyclic number.

It is not a de Polignac number, because 994243 - 2¹ = 994241 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994243.

It is not an unprimeable number, because it can be changed into a prime (994241) 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, 598 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (249210).

2⁹⁹⁴²⁴³ is an apocalyptic number.

994243 is a deficient number, since it is larger than the sum of its proper divisors (2597).

994243 is a wasteful number, since it uses less digits than its factorization.

994243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

The product of its digits is 7776, while the sum is 31.

The square root of 994243 is about 997.1173451505. The cubic root of 994243 is about 99.8077305616.

The spelling of 994243 in words is "nine hundred ninety-four thousand, two hundred forty-three".