275684 has 12 divisors (see below), whose sum is σ = 494508. Its totient is φ = 134480.

The previous prime is 275677. The next prime is 275699. The reversal of 275684 is 486572.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 52900 + 222784 = 230^2 + 472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6704 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (41209).

275684 is a Friedman number, since it can be written as (8*6-7)^(5-2)*4, using all its digits and the basic arithmetic operations.

2²⁷⁵⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

275684 is a deficient number, since it is larger than the sum of its proper divisors (218824).

275684 is an frugal number, since it uses more digits than its factorization.

275684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 43 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 275684 is about 525.0561874695. The cubic root of 275684 is about 65.0834431307.

It can be divided in two parts, 27568 and 4, that added together give a palindrome (27572).

The spelling of 275684 in words is "two hundred seventy-five thousand, six hundred eighty-four".