214285 has 8 divisors (see below), whose sum is σ = 272376. Its totient is φ = 161280.

The previous prime is 214283. The next prime is 214297. The reversal of 214285 is 582412.

214285 = T₂₀₂ + T₂₀₃ + ... + T₂₁₁.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 212521 = 42^2 + 461^2 .

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

It is not a de Polignac number, because 214285 - 2¹ = 214283 is a prime.

It is a super-2 number, since 2×214285² = 91836122450, which contains 22 as substring.

It is a Duffinian number.

214285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214283) 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, 1176 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (34047).

2²¹⁴²⁸⁵ is an apocalyptic number.

It is an amenable number.

214285 is a deficient number, since it is larger than the sum of its proper divisors (58091).

214285 is a wasteful number, since it uses less digits than its factorization.

214285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its digits is 640, while the sum is 22.

The square root of 214285 is about 462.9092783689. The cubic root of 214285 is about 59.8407815690.

Adding to 214285 its reverse (582412), we get a palindrome (796697).

The spelling of 214285 in words is "two hundred fourteen thousand, two hundred eighty-five".