275838 has 16 divisors (see below), whose sum is σ = 569856. Its totient is φ = 88920.

The previous prime is 275837. The next prime is 275881. The reversal of 275838 is 838572.

275838 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 275799 and 275808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (35616).

2²⁷⁵⁸³⁸ is an apocalyptic number.

275838 is an abundant number, since it is smaller than the sum of its proper divisors (294018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275838 is a wasteful number, since it uses less digits than its factorization.

275838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 13440, while the sum is 33.

The square root of 275838 is about 525.2028179665. The cubic root of 275838 is about 65.0955596415.

The spelling of 275838 in words is "two hundred seventy-five thousand, eight hundred thirty-eight".