214021443 has 8 divisors (see below), whose sum is σ = 285499728. Its totient is φ = 142612064.

The previous prime is 214021433. The next prime is 214021481. The reversal of 214021443 is 344120412.

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

It is a cyclic number.

It is not a de Polignac number, because 214021443 - 2¹³ = 214013251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214021433) 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 in 7 ways as a sum of consecutive naturals, for example, 9480 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (35687466).

Almost surely, 2^214021443 is an apocalyptic number.

214021443 is a deficient number, since it is larger than the sum of its proper divisors (71478285).

214021443 is a wasteful number, since it uses less digits than its factorization.

214021443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34453.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214021443 is about 14629.4717266209. The cubic root of 214021443 is about 598.1623804474.

Adding to 214021443 its reverse (344120412), we get a palindrome (558141855).

The spelling of 214021443 in words is "two hundred fourteen million, twenty-one thousand, four hundred forty-three".