270985 has 16 divisors (see below), whose sum is σ = 383040. Its totient is φ = 181440.
The previous prime is 270973. The next prime is 271003. The reversal of 270985 is 589072.
It is not a de Polignac number, because 270985 - 25 = 270953 is a prime.
It is an alternating number because its digits alternate between even and odd.
270985 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 904.
It is an arithmetic number, because the mean of its divisors is an integer number (23940).
2270985 is an apocalyptic number.
It is an amenable number.
270985 is a deficient number, since it is larger than the sum of its proper divisors (112055).
270985 is a wasteful number, since it uses less digits than its factorization.
270985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 270985 is about 520.5621960919. The cubic root of 270985 is about 64.7115422857.
The spelling of 270985 in words is "two hundred seventy thousand, nine hundred eighty-five".
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