210034218 has 48 divisors (see below), whose sum is σ = 454016160. Its totient is φ = 64744704.

The previous prime is 210034217. The next prime is 210034243. The reversal of 210034218 is 812430012.

It is a super-3 number, since 3×210034218³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 210034194 and 210034203.

It is not an unprimeable number, because it can be changed into a prime (210034217) 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 23 ways as a sum of consecutive naturals, for example, 101280 + ... + 103332.

It is an arithmetic number, because the mean of its divisors is an integer number (9458670).

Almost surely, 2^210034218 is an apocalyptic number.

210034218 is an abundant number, since it is smaller than the sum of its proper divisors (243981942).

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

210034218 is a wasteful number, since it uses less digits than its factorization.

210034218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 210034218 is about 14492.5573312649. The cubic root of 210034218 is about 594.4244775105.

The spelling of 210034218 in words is "two hundred ten million, thirty-four thousand, two hundred eighteen".