270830 has 32 divisors (see below), whose sum is σ = 575424. Its totient is φ = 89856.

The previous prime is 270821. The next prime is 270833. The reversal of 270830 is 38072.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270830.

It is not an unprimeable number, because it can be changed into a prime (270833) by changing a digit.

270830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3674 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (17982).

2²⁷⁰⁸³⁰ is an apocalyptic number.

270830 is an abundant number, since it is smaller than the sum of its proper divisors (304594).

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

270830 is a wasteful number, since it uses less digits than its factorization.

270830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 270830 is about 520.4132972936. The cubic root of 270830 is about 64.6992018707.

The spelling of 270830 in words is "two hundred seventy thousand, eight hundred thirty".