994023 has 12 divisors (see below), whose sum is σ = 1511640. Its totient is φ = 627696.

The previous prime is 994013. The next prime is 994027. The reversal of 994023 is 320499.

It is a de Polignac number, because none of the positive numbers 2^k-994023 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994023.

It is not an unprimeable number, because it can be changed into a prime (994027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2736 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (125970).

2⁹⁹⁴⁰²³ is an apocalyptic number.

994023 is a deficient number, since it is larger than the sum of its proper divisors (517617).

994023 is a wasteful number, since it uses less digits than its factorization.

994023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 994023 is about 997.0070210385. The cubic root of 994023 is about 99.8003684041.

The spelling of 994023 in words is "nine hundred ninety-four thousand, twenty-three".