994003 has 4 divisors (see below), whose sum is σ = 1015200. Its totient is φ = 972808.

The previous prime is 993997. The next prime is 994013. The reversal of 994003 is 300499.

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-994003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994013) 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, 10528 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (253800).

2⁹⁹⁴⁰⁰³ is an apocalyptic number.

994003 is a deficient number, since it is larger than the sum of its proper divisors (21197).

994003 is a wasteful number, since it uses less digits than its factorization.

994003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 994003 is about 996.9969909684. The cubic root of 994003 is about 99.7996990632.

The spelling of 994003 in words is "nine hundred ninety-four thousand, three".