211466828 has 12 divisors (see below), whose sum is σ = 373660560. Its totient is φ = 104706672.

The previous prime is 211466813. The next prime is 211466837. The reversal of 211466828 is 828664112.

It is a happy number.

211466828 is digitally balanced in base 2, 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 = 211466791 and 211466800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256223 + ... + 257046.

It is an arithmetic number, because the mean of its divisors is an integer number (31138380).

Almost surely, 2^211466828 is an apocalyptic number.

It is an amenable number.

211466828 is a deficient number, since it is larger than the sum of its proper divisors (162193732).

211466828 is a wasteful number, since it uses less digits than its factorization.

211466828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513376 (or 513374 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 211466828 is about 14541.8990506742. The cubic root of 211466828 is about 595.7729079425.

The spelling of 211466828 in words is "two hundred eleven million, four hundred sixty-six thousand, eight hundred twenty-eight".