9447983 has 2 divisors, whose sum is σ = 9447984. Its totient is φ = 9447982.

The previous prime is 9447953. The next prime is 9448001. The reversal of 9447983 is 3897449.

It is a strong prime.

It is an emirp because it is prime and its reverse (3897449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9447983 - 2²² = 5253679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9447943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723991 + 4723992.

It is an arithmetic number, because the mean of its divisors is an integer number (4723992).

Almost surely, 2^9447983 is an apocalyptic number.

9447983 is a deficient number, since it is larger than the sum of its proper divisors (1).

9447983 is an equidigital number, since it uses as much as digits as its factorization.

9447983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 9447983 is about 3073.7571472060. The cubic root of 9447983 is about 211.4039191969.

The spelling of 9447983 in words is "nine million, four hundred forty-seven thousand, nine hundred eighty-three".