340349 has 4 divisors (see below), whose sum is σ = 351360. Its totient is φ = 329340.

The previous prime is 340339. The next prime is 340369. The reversal of 340349 is 943043.

340349 is nontrivially palindromic in base 7.

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 340349 - 2¹² = 336253 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340349.

It is not an unprimeable number, because it can be changed into a prime (340339) 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, 5459 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (87840).

2³⁴⁰³⁴⁹ is an apocalyptic number.

It is an amenable number.

340349 is a deficient number, since it is larger than the sum of its proper divisors (11011).

340349 is a wasteful number, since it uses less digits than its factorization.

340349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 340349 is about 583.3943777583. The cubic root of 340349 is about 69.8191932506.

It can be divided in two parts, 34034 and 9, that added together give a palindrome (34043).

The spelling of 340349 in words is "three hundred forty thousand, three hundred forty-nine".