211233808 has 10 divisors (see below), whose sum is σ = 409265534. Its totient is φ = 105616896.

The previous prime is 211233797. The next prime is 211233809. The reversal of 211233808 is 808332112.

It can be written as a sum of positive squares in only one way, i.e., 164557584 + 46676224 = 12828^2 + 6832^2 .

It is not an unprimeable number, because it can be changed into a prime (211233809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601041 + ... + 6601072.

Almost surely, 2^211233808 is an apocalyptic number.

It is an amenable number.

211233808 is a deficient number, since it is larger than the sum of its proper divisors (198031726).

211233808 is a wasteful number, since it uses less digits than its factorization.

211233808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202121 (or 13202115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 211233808 is about 14533.8848213408. The cubic root of 211233808 is about 595.5539957097.

The spelling of 211233808 in words is "two hundred eleven million, two hundred thirty-three thousand, eight hundred eight".