211364672 has 28 divisors (see below), whose sum is σ = 444101220. Its totient is φ = 99465216.

The previous prime is 211364639. The next prime is 211364677. The reversal of 211364672 is 276463112.

It can be written as a sum of positive squares in 2 ways, for example, as 92467456 + 118897216 = 9616^2 + 10904^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211364677) 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 in 3 ways as a sum of consecutive naturals, for example, 96047 + ... + 98222.

Almost surely, 2^211364672 is an apocalyptic number.

It is an amenable number.

211364672 is an abundant number, since it is smaller than the sum of its proper divisors (232736548).

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

211364672 is a wasteful number, since it uses less digits than its factorization.

211364672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194298 (or 194288 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 211364672 is about 14538.3861552787. The cubic root of 211364672 is about 595.6769565967.

The spelling of 211364672 in words is "two hundred eleven million, three hundred sixty-four thousand, six hundred seventy-two".