272838243 has 16 divisors (see below), whose sum is σ = 377832960. Its totient is φ = 174999456.

The previous prime is 272838239. The next prime is 272838257. The reversal of 272838243 is 342838272.

It is not a de Polignac number, because 272838243 - 2² = 272838239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272838143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8080 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (23614560).

Almost surely, 2^272838243 is an apocalyptic number.

272838243 is a deficient number, since it is larger than the sum of its proper divisors (104994717).

272838243 is a wasteful number, since it uses less digits than its factorization.

272838243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32906.

The product of its digits is 129024, while the sum is 39.

The square root of 272838243 is about 16517.8159270528. The cubic root of 272838243 is about 648.5872614998.

The spelling of 272838243 in words is "two hundred seventy-two million, eight hundred thirty-eight thousand, two hundred forty-three".