214840286 has 8 divisors (see below), whose sum is σ = 336271824. Its totient is φ = 102749680.

The previous prime is 214840279. The next prime is 214840289. The reversal of 214840286 is 682048412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214840289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335175 + ... + 2335266.

It is an arithmetic number, because the mean of its divisors is an integer number (42033978).

Almost surely, 2^214840286 is an apocalyptic number.

214840286 is a deficient number, since it is larger than the sum of its proper divisors (121431538).

214840286 is a wasteful number, since it uses less digits than its factorization.

214840286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670466.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 214840286 is about 14657.4310846069. The cubic root of 214840286 is about 598.9242632106.

Adding to 214840286 its reverse (682048412), we get a palindrome (896888698).

The spelling of 214840286 in words is "two hundred fourteen million, eight hundred forty thousand, two hundred eighty-six".