275889 has 8 divisors (see below), whose sum is σ = 376992. Its totient is φ = 179360.

The previous prime is 275881. The next prime is 275897. The reversal of 275889 is 988572.

It is an interprime number because it is at equal distance from previous prime (275881) and next prime (275897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275889 - 2³ = 275881 is a prime.

It is a super-2 number, since 2×275889² = 152229480642, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (275881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (47124).

2²⁷⁵⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

275889 is a deficient number, since it is larger than the sum of its proper divisors (101103).

275889 is a wasteful number, since it uses less digits than its factorization.

275889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its digits is 40320, while the sum is 39.

The square root of 275889 is about 525.2513683942. The cubic root of 275889 is about 65.0995712582.

The spelling of 275889 in words is "two hundred seventy-five thousand, eight hundred eighty-nine".