9440003 has 4 divisors (see below), whose sum is σ = 9447480. Its totient is φ = 9432528.

The previous prime is 9439987. The next prime is 9440021. The reversal of 9440003 is 3000449.

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: 3000449 = 17 ⋅176497.

It is a cyclic number.

It is not a de Polignac number, because 9440003 - 2⁴ = 9439987 is a prime.

It is a super-2 number, since 2×9440003² = 178227313280018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9440023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (2361870).

Almost surely, 2^9440003 is an apocalyptic number.

9440003 is a deficient number, since it is larger than the sum of its proper divisors (7477).

9440003 is a wasteful number, since it uses less digits than its factorization.

9440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 9440003 is about 3072.4587873558. The cubic root of 9440003 is about 211.3443834399.

The spelling of 9440003 in words is "nine million, four hundred forty thousand, three".