270890 has 16 divisors (see below), whose sum is σ = 494208. Its totient is φ = 106896.

The previous prime is 270859. The next prime is 270899. The reversal of 270890 is 98072.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270890.

It is not an unprimeable number, because it can be changed into a prime (270899) by changing a digit.

270890 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 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2²⁷⁰⁸⁹⁰ is an apocalyptic number.

270890 is a deficient number, since it is larger than the sum of its proper divisors (223318).

270890 is a wasteful number, since it uses less digits than its factorization.

270890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 270890 is about 520.4709405913. The cubic root of 270890 is about 64.7039793639.

The spelling of 270890 in words is "two hundred seventy thousand, eight hundred ninety".