211445196 has 24 divisors (see below), whose sum is σ = 502682544. Its totient is φ = 69151680.

The previous prime is 211445191. The next prime is 211445197. The reversal of 211445196 is 691544112.

211445196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211445196² = 89418141822956832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211445191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165595 + ... + 166866.

It is an arithmetic number, because the mean of its divisors is an integer number (20945106).

Almost surely, 2^211445196 is an apocalyptic number.

It is an amenable number.

211445196 is an abundant number, since it is smaller than the sum of its proper divisors (291237348).

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

211445196 is a wasteful number, since it uses less digits than its factorization.

211445196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332521 (or 332519 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 211445196 is about 14541.1552498417. The cubic root of 211445196 is about 595.7525923858.

The spelling of 211445196 in words is "two hundred eleven million, four hundred forty-five thousand, one hundred ninety-six".