211734850 has 12 divisors (see below), whose sum is σ = 393826914. Its totient is φ = 84693920.

The previous prime is 211734839. The next prime is 211734857. The reversal of 211734850 is 58437112.

It can be written as a sum of positive squares in 3 ways, for example, as 194686209 + 17048641 = 13953^2 + 4129^2 .

It is not an unprimeable number, because it can be changed into a prime (211734857) 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 5 ways as a sum of consecutive naturals, for example, 2117299 + ... + 2117398.

Almost surely, 2^211734850 is an apocalyptic number.

211734850 is a deficient number, since it is larger than the sum of its proper divisors (182092064).

211734850 is a wasteful number, since it uses less digits than its factorization.

211734850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234709 (or 4234704 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 211734850 is about 14551.1116413833. Note that the first 3 decimals coincide. The cubic root of 211734850 is about 596.0245042700.

The spelling of 211734850 in words is "two hundred eleven million, seven hundred thirty-four thousand, eight hundred fifty".