338504109 has 8 divisors (see below), whose sum is σ = 451425600. Its totient is φ = 225626016.

The previous prime is 338504071. The next prime is 338504137. The reversal of 338504109 is 901405833.

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

It is not a de Polignac number, because 338504109 - 2⁸ = 338503853 is a prime.

It is a super-2 number, since 2×338504109² = 229170063619767762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338504109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338504609) 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, 19417 + ... + 32465.

It is an arithmetic number, because the mean of its divisors is an integer number (56428200).

Almost surely, 2^338504109 is an apocalyptic number.

It is an amenable number.

338504109 is a deficient number, since it is larger than the sum of its proper divisors (112921491).

338504109 is a wasteful number, since it uses less digits than its factorization.

338504109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 338504109 is about 18398.4811601393. The cubic root of 338504109 is about 696.9281097397.

The spelling of 338504109 in words is "three hundred thirty-eight million, five hundred four thousand, one hundred nine".