338686743 has 4 divisors (see below), whose sum is σ = 451582328. Its totient is φ = 225791160.

The previous prime is 338686717. The next prime is 338686787. The reversal of 338686743 is 347686833.

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

It is not a de Polignac number, because 338686743 - 2⁸ = 338686487 is a prime.

It is a super-2 number, since 2×338686743² = 229417419767896098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338686692 and 338686701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338686643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56447788 + ... + 56447793.

It is an arithmetic number, because the mean of its divisors is an integer number (112895582).

Almost surely, 2^338686743 is an apocalyptic number.

338686743 is a deficient number, since it is larger than the sum of its proper divisors (112895585).

338686743 is a wasteful number, since it uses less digits than its factorization.

338686743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112895584.

The product of its digits is 1741824, while the sum is 48.

The square root of 338686743 is about 18403.4437809884. The cubic root of 338686743 is about 697.0534256820.

The spelling of 338686743 in words is "three hundred thirty-eight million, six hundred eighty-six thousand, seven hundred forty-three".