344139 has 4 divisors (see below), whose sum is σ = 458856. Its totient is φ = 229424.

The previous prime is 344117. The next prime is 344153. The reversal of 344139 is 931443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931443 = 3 ⋅310481.

It is a cyclic number.

It is not a de Polignac number, because 344139 - 2⁹ = 343627 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 344139.

It is not an unprimeable number, because it can be changed into a prime (344189) 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, 57354 + ... + 57359.

It is an arithmetic number, because the mean of its divisors is an integer number (114714).

2³⁴⁴¹³⁹ is an apocalyptic number.

344139 is a deficient number, since it is larger than the sum of its proper divisors (114717).

344139 is a wasteful number, since it uses less digits than its factorization.

344139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114716.

The product of its digits is 1296, while the sum is 24.

The square root of 344139 is about 586.6336164933. The cubic root of 344139 is about 70.0773973852.

The spelling of 344139 in words is "three hundred forty-four thousand, one hundred thirty-nine".