338909889 has 8 divisors (see below), whose sum is σ = 452008512. Its totient is φ = 225875600.

The previous prime is 338909881. The next prime is 338909927. The reversal of 338909889 is 988909833.

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 338909889 - 2³ = 338909881 is a prime.

It is a super-2 number, since 2×338909889² = 229719825723984642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338909881) 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 7 ways as a sum of consecutive naturals, for example, 2037 + ... + 26114.

It is an arithmetic number, because the mean of its divisors is an integer number (56501064).

Almost surely, 2^338909889 is an apocalyptic number.

It is an amenable number.

338909889 is a deficient number, since it is larger than the sum of its proper divisors (113098623).

338909889 is a wasteful number, since it uses less digits than its factorization.

338909889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32167.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 338909889 is about 18409.5053980274. The cubic root of 338909889 is about 697.2064781599.

The spelling of 338909889 in words is "three hundred thirty-eight million, nine hundred nine thousand, eight hundred eighty-nine".