438342365 has 8 divisors (see below), whose sum is σ = 556952760. Its totient is φ = 330045952.

The previous prime is 438342347. The next prime is 438342391. The reversal of 438342365 is 563243834.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144528484 + 293813881 = 12022^2 + 17141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438342365 - 2⁸ = 438342109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578400 + ... + 2578569.

It is an arithmetic number, because the mean of its divisors is an integer number (69619095).

Almost surely, 2^438342365 is an apocalyptic number.

It is an amenable number.

438342365 is a deficient number, since it is larger than the sum of its proper divisors (118610395).

438342365 is a wasteful number, since it uses less digits than its factorization.

438342365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156991.

The product of its digits is 207360, while the sum is 38.

The square root of 438342365 is about 20936.6273549490. The cubic root of 438342365 is about 759.6341527494.

The spelling of 438342365 in words is "four hundred thirty-eight million, three hundred forty-two thousand, three hundred sixty-five".