9447479 has 2 divisors, whose sum is σ = 9447480. Its totient is φ = 9447478.

The previous prime is 9447419. The next prime is 9447481. The reversal of 9447479 is 9747449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9447479 - 2¹² = 9443383 is a prime.

It is a Sophie Germain prime.

Together with 9447481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9447419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723739 + 4723740.

It is an arithmetic number, because the mean of its divisors is an integer number (4723740).

Almost surely, 2^9447479 is an apocalyptic number.

9447479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9447479 is an equidigital number, since it uses as much as digits as its factorization.

9447479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 9447479 is about 3073.6751617567. The cubic root of 9447479 is about 211.4001600358.

The spelling of 9447479 in words is "nine million, four hundred forty-seven thousand, four hundred seventy-nine".