270858 has 16 divisors (see below), whose sum is σ = 619200. Its totient is φ = 77376.

The previous prime is 270841. The next prime is 270859. The reversal of 270858 is 858072.

It is not an unprimeable number, because it can be changed into a prime (270859) by changing a digit.

270858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (38700).

2²⁷⁰⁸⁵⁸ is an apocalyptic number.

270858 is an abundant number, since it is smaller than the sum of its proper divisors (348342).

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

270858 is a wasteful number, since it uses less digits than its factorization.

270858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 270858 is about 520.4401982937. The cubic root of 270858 is about 64.7014314553.

It can be divided in two parts, 270 and 858, that added together give a triangular number (1128 = T₄₇).

The spelling of 270858 in words is "two hundred seventy thousand, eight hundred fifty-eight".