275842 has 32 divisors (see below), whose sum is σ = 535680. Its totient is φ = 103680.

The previous prime is 275837. The next prime is 275881. The reversal of 275842 is 248572.

It is a self number, because there is not a number n which added to its sum of digits gives 275842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4492 + ... + 4552.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2²⁷⁵⁸⁴² is an apocalyptic number.

275842 is a deficient number, since it is larger than the sum of its proper divisors (259838).

275842 is a wasteful number, since it uses less digits than its factorization.

275842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106.

The product of its digits is 4480, while the sum is 28.

The square root of 275842 is about 525.2066260054. The cubic root of 275842 is about 65.0958742960.

The spelling of 275842 in words is "two hundred seventy-five thousand, eight hundred forty-two".