320029 has 4 divisors (see below), whose sum is σ = 324160. Its totient is φ = 315900.

The previous prime is 320027. The next prime is 320039. The reversal of 320029 is 920023.

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 320029 - 2¹ = 320027 is a prime.

It is an Ulam number.

It is a Duffinian number.

320029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 319994 and 320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320027) 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, 1947 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (81040).

2³²⁰⁰²⁹ is an apocalyptic number.

It is an amenable number.

320029 is a deficient number, since it is larger than the sum of its proper divisors (4131).

320029 is an equidigital number, since it uses as much as digits as its factorization.

320029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 320029 is about 565.7110569893. The cubic root of 320029 is about 68.4011040256.

The spelling of 320029 in words is "three hundred twenty thousand, twenty-nine".