211940328 has 32 divisors (see below), whose sum is σ = 535809600. Its totient is φ = 69852288.

The previous prime is 211940303. The next prime is 211940341. The reversal of 211940328 is 823049112.

211940328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211940295 and 211940304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47476 + ... + 51747.

It is an arithmetic number, because the mean of its divisors is an integer number (16744050).

Almost surely, 2^211940328 is an apocalyptic number.

It is an amenable number.

211940328 is an abundant number, since it is smaller than the sum of its proper divisors (323869272).

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

211940328 is a wasteful number, since it uses less digits than its factorization.

211940328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99321 (or 99317 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 211940328 is about 14558.1704894537. The cubic root of 211940328 is about 596.2172458483.

The spelling of 211940328 in words is "two hundred eleven million, nine hundred forty thousand, three hundred twenty-eight".