272891 has 4 divisors (see below), whose sum is σ = 277032. Its totient is φ = 268752.

The previous prime is 272887. The next prime is 272903. The reversal of 272891 is 198272.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 272891 - 2² = 272887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (69258).

2²⁷²⁸⁹¹ is an apocalyptic number.

272891 is a deficient number, since it is larger than the sum of its proper divisors (4141).

272891 is an equidigital number, since it uses as much as digits as its factorization.

272891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its digits is 2016, while the sum is 29.

The square root of 272891 is about 522.3897012767. The cubic root of 272891 is about 64.8629063207.

The spelling of 272891 in words is "two hundred seventy-two thousand, eight hundred ninety-one".