346439 has 2 divisors, whose sum is σ = 346440. Its totient is φ = 346438.

The previous prime is 346433. The next prime is 346441. The reversal of 346439 is 934643.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346439 - 2¹² = 342343 is a prime.

Together with 346441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173219 + 173220.

It is an arithmetic number, because the mean of its divisors is an integer number (173220).

2³⁴⁶⁴³⁹ is an apocalyptic number.

346439 is a deficient number, since it is larger than the sum of its proper divisors (1).

346439 is an equidigital number, since it uses as much as digits as its factorization.

346439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 346439 is about 588.5906896987. The cubic root of 346439 is about 70.2331680397.

The spelling of 346439 in words is "three hundred forty-six thousand, four hundred thirty-nine".