338734243 has 4 divisors (see below), whose sum is σ = 341171320. Its totient is φ = 336297168.

The previous prime is 338734237. The next prime is 338734301. The reversal of 338734243 is 342437833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342437833 = 2663 ⋅128591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338734243 is a prime.

It is a super-3 number, since 3×338734243³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338734213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218330 + ... + 1218607.

It is an arithmetic number, because the mean of its divisors is an integer number (85292830).

Almost surely, 2^338734243 is an apocalyptic number.

338734243 is a deficient number, since it is larger than the sum of its proper divisors (2437077).

338734243 is a wasteful number, since it uses less digits than its factorization.

338734243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437076.

The product of its digits is 145152, while the sum is 37.

The square root of 338734243 is about 18404.7342550769. The cubic root of 338734243 is about 697.0860108468.

The spelling of 338734243 in words is "three hundred thirty-eight million, seven hundred thirty-four thousand, two hundred forty-three".