348321 has 4 divisors (see below), whose sum is σ = 464432. Its totient is φ = 232212.

The previous prime is 348307. The next prime is 348323. The reversal of 348321 is 123843.

It is a happy number.

348321 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123843 = 3 ⋅41281.

It is not a de Polignac number, because 348321 - 2¹⁰ = 347297 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

348321 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (348323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58051 + ... + 58056.

It is an arithmetic number, because the mean of its divisors is an integer number (116108).

2³⁴⁸³²¹ is an apocalyptic number.

It is an amenable number.

348321 is a deficient number, since it is larger than the sum of its proper divisors (116111).

348321 is a wasteful number, since it uses less digits than its factorization.

348321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116110.

The product of its digits is 576, while the sum is 21.

The square root of 348321 is about 590.1872584189. The cubic root of 348321 is about 70.3601169802.

The spelling of 348321 in words is "three hundred forty-eight thousand, three hundred twenty-one".