338733839 has 2 divisors, whose sum is σ = 338733840. Its totient is φ = 338733838.

The previous prime is 338733763. The next prime is 338733847. The reversal of 338733839 is 938337833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338733839 - 2⁸ = 338733583 is a prime.

It is a super-2 number, since 2×338733839² = 229481227367355842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338733793 and 338733802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338733739) 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 as a sum of consecutive naturals, namely, 169366919 + 169366920.

It is an arithmetic number, because the mean of its divisors is an integer number (169366920).

Almost surely, 2^338733839 is an apocalyptic number.

338733839 is a deficient number, since it is larger than the sum of its proper divisors (1).

338733839 is an equidigital number, since it uses as much as digits as its factorization.

338733839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 338733839 is about 18404.7232796367. The cubic root of 338733839 is about 697.0857337142.

The spelling of 338733839 in words is "three hundred thirty-eight million, seven hundred thirty-three thousand, eight hundred thirty-nine".