211704230 has 32 divisors (see below), whose sum is σ = 405953856. Its totient is φ = 79212544.

The previous prime is 211704191. The next prime is 211704271. The reversal of 211704230 is 32407112.

211704230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24662 + ... + 32118.

It is an arithmetic number, because the mean of its divisors is an integer number (12686058).

Almost surely, 2^211704230 is an apocalyptic number.

211704230 is a deficient number, since it is larger than the sum of its proper divisors (194249626).

211704230 is a wasteful number, since it uses less digits than its factorization.

211704230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 211704230 is about 14550.0594500504. The cubic root of 211704230 is about 595.9957715569.

The spelling of 211704230 in words is "two hundred eleven million, seven hundred four thousand, two hundred thirty".