338683879 has 4 divisors (see below), whose sum is σ = 341972176. Its totient is φ = 335395584.

The previous prime is 338683801. The next prime is 338683921. The reversal of 338683879 is 978386833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338683879 is a prime.

It is a super-2 number, since 2×338683879² = 229413539788973282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338603879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643994 + ... + 1644199.

It is an arithmetic number, because the mean of its divisors is an integer number (85493044).

Almost surely, 2^338683879 is an apocalyptic number.

338683879 is a deficient number, since it is larger than the sum of its proper divisors (3288297).

338683879 is a wasteful number, since it uses less digits than its factorization.

338683879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288296.

The product of its digits is 5225472, while the sum is 55.

The square root of 338683879 is about 18403.3659693003. The cubic root of 338683879 is about 697.0514608707.

The spelling of 338683879 in words is "three hundred thirty-eight million, six hundred eighty-three thousand, eight hundred seventy-nine".