4239329 has 4 divisors (see below), whose sum is σ = 4297476. Its totient is φ = 4181184.

The previous prime is 4239293. The next prime is 4239331. The reversal of 4239329 is 9239324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 3157729 = 1040^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 4239329 - 2²⁰ = 3190753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4239295 and 4239304.

It is not an unprimeable number, because it can be changed into a prime (4239379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28964 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (1074369).

Almost surely, 2^4239329 is an apocalyptic number.

It is an amenable number.

4239329 is a deficient number, since it is larger than the sum of its proper divisors (58147).

4239329 is an equidigital number, since it uses as much as digits as its factorization.

4239329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58146.

The product of its digits is 11664, while the sum is 32.

The square root of 4239329 is about 2058.9630885472. The cubic root of 4239329 is about 161.8449082171.

The spelling of 4239329 in words is "four million, two hundred thirty-nine thousand, three hundred twenty-nine".