274289 has 4 divisors (see below), whose sum is σ = 277056. Its totient is φ = 271524.

The previous prime is 274283. The next prime is 274301. The reversal of 274289 is 982472.

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 not a de Polignac number, because 274289 - 2⁸ = 274033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274283) 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, 1229 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (69264).

2²⁷⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

274289 is a deficient number, since it is larger than the sum of its proper divisors (2767).

274289 is a wasteful number, since it uses less digits than its factorization.

274289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its digits is 8064, while the sum is 32.

The square root of 274289 is about 523.7260734392. The cubic root of 274289 is about 64.9734803058.

The spelling of 274289 in words is "two hundred seventy-four thousand, two hundred eighty-nine".