4247329 has 4 divisors (see below), whose sum is σ = 4259520. Its totient is φ = 4235140.

The previous prime is 4247281. The next prime is 4247333. The reversal of 4247329 is 9237424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4247329 - 2⁹ = 4246817 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4 + 2⁹ + 4¹¹ + 7² + 3⁹ + 2¹⁵ + 9 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4247329.

It is not an unprimeable number, because it can be changed into a prime (4247389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (1064880).

Almost surely, 2^4247329 is an apocalyptic number.

It is an amenable number.

4247329 is a deficient number, since it is larger than the sum of its proper divisors (12191).

4247329 is a wasteful number, since it uses less digits than its factorization.

4247329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190.

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

The square root of 4247329 is about 2060.9048983396. The cubic root of 4247329 is about 161.9466496071.

The spelling of 4247329 in words is "four million, two hundred forty-seven thousand, three hundred twenty-nine".