210814 has 4 divisors (see below), whose sum is σ = 316224. Its totient is φ = 105406.

The previous prime is 210811. The next prime is 210823. The reversal of 210814 is 418012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52702 + ... + 52705.

It is an arithmetic number, because the mean of its divisors is an integer number (79056).

2²¹⁰⁸¹⁴ is an apocalyptic number.

210814 is a deficient number, since it is larger than the sum of its proper divisors (105410).

210814 is a wasteful number, since it uses less digits than its factorization.

210814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105409.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 210814 is about 459.1448573163. The cubic root of 210814 is about 59.5159197568.

Adding to 210814 its reverse (418012), we get a palindrome (628826).

It can be divided in two parts, 210 and 814, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 210814 in words is "two hundred ten thousand, eight hundred fourteen".