274287 has 12 divisors (see below), whose sum is σ = 396744. Its totient is φ = 168480.

The previous prime is 274283. The next prime is 274301. The reversal of 274287 is 782472.

It is not a de Polignac number, because 274287 - 2² = 274283 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 237 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (33062).

2²⁷⁴²⁸⁷ is an apocalyptic number.

274287 is a deficient number, since it is larger than the sum of its proper divisors (122457).

274287 is a wasteful number, since it uses less digits than its factorization.

274287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 557 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 274287 is about 523.7241640406. The cubic root of 274287 is about 64.9733223857.

It can be divided in two parts, 274 and 287, that added together give a triangular number (561 = T₃₃).

The spelling of 274287 in words is "two hundred seventy-four thousand, two hundred eighty-seven".