211082836 has 12 divisors (see below), whose sum is σ = 371531412. Its totient is φ = 104931008.

The previous prime is 211082831. The next prime is 211082843. The reversal of 211082836 is 638280112.

211082836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 107246736 + 103836100 = 10356^2 + 10190^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211082798 and 211082807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211082831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151825 + ... + 153208.

It is an arithmetic number, because the mean of its divisors is an integer number (30960951).

Almost surely, 2^211082836 is an apocalyptic number.

It is an amenable number.

211082836 is a deficient number, since it is larger than the sum of its proper divisors (160448576).

211082836 is a wasteful number, since it uses less digits than its factorization.

211082836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305210 (or 305208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 211082836 is about 14528.6900992485. The cubic root of 211082836 is about 595.4120780756.

The spelling of 211082836 in words is "two hundred eleven million, eighty-two thousand, eight hundred thirty-six".