211472334 has 12 divisors (see below), whose sum is σ = 458190096. Its totient is φ = 70490772.

The previous prime is 211472213. The next prime is 211472351. The reversal of 211472334 is 433274112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211472298 and 211472307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5874214 + ... + 5874249.

It is an arithmetic number, because the mean of its divisors is an integer number (38182508).

Almost surely, 2^211472334 is an apocalyptic number.

211472334 is an abundant number, since it is smaller than the sum of its proper divisors (246717762).

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

211472334 is a wasteful number, since it uses less digits than its factorization.

211472334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748471 (or 11748468 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 211472334 is about 14542.0883644682. The cubic root of 211472334 is about 595.7780786466.

The spelling of 211472334 in words is "two hundred eleven million, four hundred seventy-two thousand, three hundred thirty-four".