272985 has 8 divisors (see below), whose sum is σ = 436800. Its totient is φ = 145584.

The previous prime is 272983. The next prime is 272989. The reversal of 272985 is 589272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 272985 - 2¹ = 272983 is a prime.

It is an alternating number because its digits alternate between even and odd.

272985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (272981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9085 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2²⁷²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

272985 is a deficient number, since it is larger than the sum of its proper divisors (163815).

272985 is a wasteful number, since it uses less digits than its factorization.

272985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207.

The product of its digits is 10080, while the sum is 33.

The square root of 272985 is about 522.4796646761. The cubic root of 272985 is about 64.8703530219.

The spelling of 272985 in words is "two hundred seventy-two thousand, nine hundred eighty-five".