1304329 has 4 divisors (see below), whose sum is σ = 1404676. Its totient is φ = 1203984.

The previous prime is 1304321. The next prime is 1304357. The reversal of 1304329 is 9234031.

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 585225 + 719104 = 765^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304329 - 2³ = 1304321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304321) 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, 50154 + ... + 50179.

It is an arithmetic number, because the mean of its divisors is an integer number (351169).

2^1304329 is an apocalyptic number.

It is an amenable number.

1304329 is a deficient number, since it is larger than the sum of its proper divisors (100347).

1304329 is a wasteful number, since it uses less digits than its factorization.

1304329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100346.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1304329 is about 1142.0722393964. The cubic root of 1304329 is about 109.2602986938.

The spelling of 1304329 in words is "one million, three hundred four thousand, three hundred twenty-nine".