329449 has 4 divisors (see below), whose sum is σ = 334036. Its totient is φ = 324864.

The previous prime is 329431. The next prime is 329471. The reversal of 329449 is 944923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944923 = 7 ⋅134989.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 270400 = 243^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 329449 - 2⁷ = 329321 is a prime.

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 329449.

It is not an unprimeable number, because it can be changed into a prime (329419) 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, 2184 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (83509).

2³²⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

329449 is a deficient number, since it is larger than the sum of its proper divisors (4587).

329449 is an equidigital number, since it uses as much as digits as its factorization.

329449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586.

The product of its digits is 7776, while the sum is 31.

The square root of 329449 is about 573.9764803544. The cubic root of 329449 is about 69.0657498317.

The spelling of 329449 in words is "three hundred twenty-nine thousand, four hundred forty-nine".