211385368 has 8 divisors (see below), whose sum is σ = 396347580. Its totient is φ = 105692680.

The previous prime is 211385357. The next prime is 211385411. The reversal of 211385368 is 863583112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13211578 + ... + 13211593.

Almost surely, 2^211385368 is an apocalyptic number.

It is an amenable number.

211385368 is a deficient number, since it is larger than the sum of its proper divisors (184962212).

211385368 is a wasteful number, since it uses less digits than its factorization.

211385368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26423177 (or 26423173 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 211385368 is about 14539.0979087425. The cubic root of 211385368 is about 595.6963980795.

The spelling of 211385368 in words is "two hundred eleven million, three hundred eighty-five thousand, three hundred sixty-eight".