354439 has 2 divisors, whose sum is σ = 354440. Its totient is φ = 354438.

The previous prime is 354421. The next prime is 354443. The reversal of 354439 is 934453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354439 - 2¹⁷ = 223367 is a prime.

It is a Chen prime.

354439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177219 + 177220.

It is an arithmetic number, because the mean of its divisors is an integer number (177220).

2³⁵⁴⁴³⁹ is an apocalyptic number.

354439 is a deficient number, since it is larger than the sum of its proper divisors (1).

354439 is an equidigital number, since it uses as much as digits as its factorization.

354439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 354439 is about 595.3477975100. The cubic root of 354439 is about 70.7696695177.

The spelling of 354439 in words is "three hundred fifty-four thousand, four hundred thirty-nine".