994403 has 8 divisors (see below), whose sum is σ = 1056000. Its totient is φ = 933768.

The previous prime is 994393. The next prime is 994417. The reversal of 994403 is 304499.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 994403 - 2⁶ = 994339 is a prime.

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 994403.

It is not an unprimeable number, because it can be changed into a prime (994453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (132000).

2⁹⁹⁴⁴⁰³ is an apocalyptic number.

994403 is a deficient number, since it is larger than the sum of its proper divisors (61597).

994403 is a wasteful number, since it uses less digits than its factorization.

994403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 994403 is about 997.1975732020. The cubic root of 994403 is about 99.8130841758.

The spelling of 994403 in words is "nine hundred ninety-four thousand, four hundred three".