338864289 has 8 divisors (see below), whose sum is σ = 451925760. Its totient is φ = 225856176.

The previous prime is 338864261. The next prime is 338864291. The reversal of 338864289 is 982468833.

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

It is not a de Polignac number, because 338864289 - 2⁵ = 338864257 is a prime.

It is a super-2 number, since 2×338864289² = 229658012718951042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338864299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5139 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (56490720).

Almost surely, 2^338864289 is an apocalyptic number.

It is an amenable number.

338864289 is a deficient number, since it is larger than the sum of its proper divisors (113061471).

338864289 is a wasteful number, since it uses less digits than its factorization.

338864289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26679.

The product of its digits is 1990656, while the sum is 51.

The square root of 338864289 is about 18408.2668657318. The cubic root of 338864289 is about 697.1752072700.

The spelling of 338864289 in words is "three hundred thirty-eight million, eight hundred sixty-four thousand, two hundred eighty-nine".