211828968 has 48 divisors (see below), whose sum is σ = 617837220. Its totient is φ = 65177856.

The previous prime is 211828961. The next prime is 211828973. The reversal of 211828968 is 869828112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202720644 + 9108324 = 14238^2 + 3018^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (211828961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112221 + ... + 114092.

Almost surely, 2^211828968 is an apocalyptic number.

It is an amenable number.

211828968 is an abundant number, since it is smaller than the sum of its proper divisors (406008252).

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

211828968 is a wasteful number, since it uses less digits than its factorization.

211828968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226338 (or 226331 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 211828968 is about 14554.3453305190. The cubic root of 211828968 is about 596.1128038966.

The spelling of 211828968 in words is "two hundred eleven million, eight hundred twenty-eight thousand, nine hundred sixty-eight".