338866868 has 12 divisors (see below), whose sum is σ = 609044772. Its totient is φ = 164854080.

The previous prime is 338866823. The next prime is 338866903. The reversal of 338866868 is 868668833.

It can be written as a sum of positive squares in 2 ways, for example, as 256384144 + 82482724 = 16012^2 + 9082^2 .

It is a super-2 number, since 2×338866868² = 229661508456258848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1144673 + ... + 1144968.

It is an arithmetic number, because the mean of its divisors is an integer number (50753731).

Almost surely, 2^338866868 is an apocalyptic number.

It is an amenable number.

338866868 is a deficient number, since it is larger than the sum of its proper divisors (270177904).

338866868 is a wasteful number, since it uses less digits than its factorization.

338866868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289682 (or 2289680 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 56.

The square root of 338866868 is about 18408.3369156478. The cubic root of 338866868 is about 697.1769759332.

The spelling of 338866868 in words is "three hundred thirty-eight million, eight hundred sixty-six thousand, eight hundred sixty-eight".