994385003 has 4 divisors (see below), whose sum is σ = 994450080. Its totient is φ = 994319928.

The previous prime is 994384991. The next prime is 994385017. The reversal of 994385003 is 300583499.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 300583499 = 449 ⋅669451.

It is a cyclic number.

It is not a de Polignac number, because 994385003 - 2⁴ = 994384987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994385023) 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, 4238 + ... + 44796.

It is an arithmetic number, because the mean of its divisors is an integer number (248612520).

Almost surely, 2^994385003 is an apocalyptic number.

994385003 is a deficient number, since it is larger than the sum of its proper divisors (65077).

994385003 is a wasteful number, since it uses less digits than its factorization.

994385003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65076.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 994385003 is about 31533.8707265696. The cubic root of 994385003 is about 998.1248202321.

The spelling of 994385003 in words is "nine hundred ninety-four million, three hundred eighty-five thousand, three".