4947329 has 2 divisors, whose sum is σ = 4947330. Its totient is φ = 4947328.

The previous prime is 4947311. The next prime is 4947331. The reversal of 4947329 is 9237494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 452929 = 2120^2 + 673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947329 is a prime.

It is a Sophie Germain prime.

Together with 4947331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4947292 and 4947301.

It is not a weakly prime, because it can be changed into another prime (4947029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473664 + 2473665.

It is an arithmetic number, because the mean of its divisors is an integer number (2473665).

Almost surely, 2^4947329 is an apocalyptic number.

It is an amenable number.

4947329 is a deficient number, since it is larger than the sum of its proper divisors (1).

4947329 is an equidigital number, since it uses as much as digits as its factorization.

4947329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 4947329 is about 2224.2592025211. The cubic root of 4947329 is about 170.3950328991.

The spelling of 4947329 in words is "four million, nine hundred forty-seven thousand, three hundred twenty-nine".