439659349 has 2 divisors, whose sum is σ = 439659350. Its totient is φ = 439659348.

The previous prime is 439659331. The next prime is 439659361. The reversal of 439659349 is 943956934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284158449 + 155500900 = 16857^2 + 12470^2 .

It is a cyclic number.

It is not a de Polignac number, because 439659349 - 2¹¹ = 439657301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 439659296 and 439659305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439659149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219829674 + 219829675.

It is an arithmetic number, because the mean of its divisors is an integer number (219829675).

Almost surely, 2^439659349 is an apocalyptic number.

It is an amenable number.

439659349 is a deficient number, since it is larger than the sum of its proper divisors (1).

439659349 is an equidigital number, since it uses as much as digits as its factorization.

439659349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 52.

The square root of 439659349 is about 20968.0554415520. The cubic root of 439659349 is about 760.3941566939.

The spelling of 439659349 in words is "four hundred thirty-nine million, six hundred fifty-nine thousand, three hundred forty-nine".