270889 has 4 divisors (see below), whose sum is σ = 280260. Its totient is φ = 261520.

The previous prime is 270859. The next prime is 270899. The reversal of 270889 is 988072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 160000 = 333^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 270889 - 2⁷ = 270761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270859) 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, 4642 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (70065).

2²⁷⁰⁸⁸⁹ is an apocalyptic number.

270889 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

270889 is a deficient number, since it is larger than the sum of its proper divisors (9371).

270889 is an equidigital number, since it uses as much as digits as its factorization.

270889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 270889 is about 520.4699799220. The cubic root of 270889 is about 64.7038997448.

It can be divided in two parts, 2 and 70889, that multiplied together give a triangular number (141778 = T₅₃₂).

The spelling of 270889 in words is "two hundred seventy thousand, eight hundred eighty-nine".