338865616 has 30 divisors (see below), whose sum is σ = 661239362. Its totient is φ = 168231360.

The previous prime is 338865613. The next prime is 338865649. The reversal of 338865616 is 616568833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 320410000 + 18455616 = 17900^2 + 4296^2 .

It is a super-2 number, since 2×338865616² = 229659811414118912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338865613) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 512326 + ... + 512986.

Almost surely, 2^338865616 is an apocalyptic number.

It is an amenable number.

338865616 is a deficient number, since it is larger than the sum of its proper divisors (322373746).

338865616 is an equidigital number, since it uses as much as digits as its factorization.

338865616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 842 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 338865616 is about 18408.3029092853. The cubic root of 338865616 is about 697.1761173200.

The spelling of 338865616 in words is "three hundred thirty-eight million, eight hundred sixty-five thousand, six hundred sixteen".