321379 has 8 divisors (see below), whose sum is σ = 341280. Its totient is φ = 302016.

The previous prime is 321371. The next prime is 321383. The reversal of 321379 is 973123.

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

It is a cyclic number.

It is not a de Polignac number, because 321379 - 2³ = 321371 is a prime.

It is a Duffinian number.

321379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (321371) 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, 1969 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2³²¹³⁷⁹ is an apocalyptic number.

321379 is a deficient number, since it is larger than the sum of its proper divisors (19901).

321379 is a wasteful number, since it uses less digits than its factorization.

321379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its digits is 1134, while the sum is 25.

The square root of 321379 is about 566.9029899374. The cubic root of 321379 is about 68.4971494365.

The spelling of 321379 in words is "three hundred twenty-one thousand, three hundred seventy-nine".