275444 has 12 divisors (see below), whose sum is σ = 519204. Its totient is φ = 127104.

The previous prime is 275423. The next prime is 275447. The reversal of 275444 is 444572.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 144400 = 362^2 + 380^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 3.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275444.

It is not an unprimeable number, because it can be changed into a prime (275447) 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, 2597 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (43267).

2²⁷⁵⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

275444 is a deficient number, since it is larger than the sum of its proper divisors (243760).

275444 is a wasteful number, since it uses less digits than its factorization.

275444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314 (or 5312 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 275444 is about 524.8275907381. The cubic root of 275444 is about 65.0645512578.

The spelling of 275444 in words is "two hundred seventy-five thousand, four hundred forty-four".