214300287 has 12 divisors (see below), whose sum is σ = 309803520. Its totient is φ = 142747488.

The previous prime is 214300279. The next prime is 214300327. The reversal of 214300287 is 782003412.

It is not a de Polignac number, because 214300287 - 2³ = 214300279 is a prime.

It is a super-2 number, since 2×214300287² = 91849226016564738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214300287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214300217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2203 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (25816960).

Almost surely, 2^214300287 is an apocalyptic number.

214300287 is a deficient number, since it is larger than the sum of its proper divisors (95503233).

214300287 is a wasteful number, since it uses less digits than its factorization.

214300287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19902 (or 19899 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 214300287 is about 14638.9988387184. The cubic root of 214300287 is about 598.4220454035.

Adding to 214300287 its reverse (782003412), we get a palindrome (996303699).

The spelling of 214300287 in words is "two hundred fourteen million, three hundred thousand, two hundred eighty-seven".