320799 has 8 divisors (see below), whose sum is σ = 434992. Its totient is φ = 210240.

The previous prime is 320791. The next prime is 320821. The reversal of 320799 is 997023.

320799 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320799 - 2³ = 320791 is a prime.

It is a Duffinian number.

320799 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320791) 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 7 ways as a sum of consecutive naturals, for example, 694 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (54374).

2³²⁰⁷⁹⁹ is an apocalyptic number.

320799 is a deficient number, since it is larger than the sum of its proper divisors (114193).

320799 is a wasteful number, since it uses less digits than its factorization.

320799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 320799 is about 566.3912075589. The cubic root of 320799 is about 68.4559185012.

It can be divided in two parts, 3 and 20799, that added together give a palindrome (20802).

The spelling of 320799 in words is "three hundred twenty thousand, seven hundred ninety-nine".