9947403 has 6 divisors (see below), whose sum is σ = 14368484. Its totient is φ = 6631596.

The previous prime is 9947383. The next prime is 9947407. The reversal of 9947403 is 3047499.

9947403 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9947403 - 2⁹ = 9946891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9947407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552625 + ... + 552642.

Almost surely, 2^9947403 is an apocalyptic number.

9947403 is a deficient number, since it is larger than the sum of its proper divisors (4421081).

9947403 is a wasteful number, since it uses less digits than its factorization.

9947403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105273 (or 1105270 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 9947403 is about 3153.9503800789. The cubic root of 9947403 is about 215.0650821540.

The spelling of 9947403 in words is "nine million, nine hundred forty-seven thousand, four hundred three".