338647880 has 32 divisors (see below), whose sum is σ = 763500600. Its totient is φ = 135184896.

The previous prime is 338647873. The next prime is 338647889. The reversal of 338647880 is 88746833.

It can be written as a sum of positive squares in 4 ways, for example, as 262504804 + 76143076 = 16202^2 + 8726^2 .

It is a super-2 number, since 2×338647880² = 229364773256988800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338647889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12044 + ... + 28676.

Almost surely, 2^338647880 is an apocalyptic number.

It is an amenable number.

338647880 is an abundant number, since it is smaller than the sum of its proper divisors (424852720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338647880 is a wasteful number, since it uses less digits than its factorization.

338647880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17153 (or 17149 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 338647880 is about 18402.3878885323. The cubic root of 338647880 is about 697.0267632631.

The spelling of 338647880 in words is "three hundred thirty-eight million, six hundred forty-seven thousand, eight hundred eighty".