287214 has 8 divisors (see below), whose sum is σ = 574440. Its totient is φ = 95736.

The previous prime is 287191. The next prime is 287219. The reversal of 287214 is 412782.

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

287214 is an admirable number.

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 287214.

It is not an unprimeable number, because it can be changed into a prime (287219) by changing a digit.

287214 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 3 ways as a sum of consecutive naturals, for example, 23929 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (71805).

2²⁸⁷²¹⁴ is an apocalyptic number.

287214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

287214 is a wasteful number, since it uses less digits than its factorization.

287214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47874.

The product of its digits is 896, while the sum is 24.

The square root of 287214 is about 535.9235020038. The cubic root of 287214 is about 65.9784135098.

Adding to 287214 its reverse (412782), we get a palindrome (699996).

The spelling of 287214 in words is "two hundred eighty-seven thousand, two hundred fourteen".