214021210 has 64 divisors (see below), whose sum is σ = 447068160. Its totient is φ = 73117440.

The previous prime is 214021207. The next prime is 214021229. The reversal of 214021210 is 12120412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 91536 + ... + 93844.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^214021210 is an apocalyptic number.

214021210 is an abundant number, since it is smaller than the sum of its proper divisors (233046950).

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

214021210 is a wasteful number, since it uses less digits than its factorization.

214021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 214021210 is about 14629.4637632416. The cubic root of 214021210 is about 598.1621633790.

Adding to 214021210 its reverse (12120412), we get a palindrome (226141622).

The spelling of 214021210 in words is "two hundred fourteen million, twenty-one thousand, two hundred ten".