2447329 has 2 divisors, whose sum is σ = 2447330. Its totient is φ = 2447328.

The previous prime is 2447327. The next prime is 2447351. The reversal of 2447329 is 9237442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 115600 = 1527^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2447329 - 2¹ = 2447327 is a prime.

Together with 2447327, it forms a pair of twin primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2447329.

It is not a weakly prime, because it can be changed into another prime (2447321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223664 + 1223665.

It is an arithmetic number, because the mean of its divisors is an integer number (1223665).

2^2447329 is an apocalyptic number.

It is an amenable number.

2447329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447329 is an equidigital number, since it uses as much as digits as its factorization.

2447329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 2447329 is about 1564.3941319246. The cubic root of 2447329 is about 134.7609670466.

The spelling of 2447329 in words is "two million, four hundred forty-seven thousand, three hundred twenty-nine".