344909 has 2 divisors, whose sum is σ = 344910. Its totient is φ = 344908.

The previous prime is 344893. The next prime is 344917. The reversal of 344909 is 909443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 64009 = 530^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 344909 - 2⁴ = 344893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172454 + 172455.

It is an arithmetic number, because the mean of its divisors is an integer number (172455).

2³⁴⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

344909 is a deficient number, since it is larger than the sum of its proper divisors (1).

344909 is an equidigital number, since it uses as much as digits as its factorization.

344909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 344909 is about 587.2895367704. The cubic root of 344909 is about 70.1296237643.

The spelling of 344909 in words is "three hundred forty-four thousand, nine hundred nine".