273849 has 4 divisors (see below), whose sum is σ = 365136. Its totient is φ = 182564.

The previous prime is 273827. The next prime is 273857. The reversal of 273849 is 948372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273849 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 273849.

It is not an unprimeable number, because it can be changed into a prime (273899) 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, 45639 + ... + 45644.

It is an arithmetic number, because the mean of its divisors is an integer number (91284).

2²⁷³⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

273849 is a deficient number, since it is larger than the sum of its proper divisors (91287).

273849 is an equidigital number, since it uses as much as digits as its factorization.

273849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91286.

The product of its digits is 12096, while the sum is 33.

The square root of 273849 is about 523.3058379189. The cubic root of 273849 is about 64.9387193644.

Adding to 273849 its reverse (948372), we get a palindrome (1222221).

The spelling of 273849 in words is "two hundred seventy-three thousand, eight hundred forty-nine".