211328828 has 12 divisors (see below), whose sum is σ = 371456232. Its totient is φ = 105198480.

The previous prime is 211328753. The next prime is 211328857. The reversal of 211328828 is 828823112.

It is a congruent number.

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, 115463 + ... + 117278.

It is an arithmetic number, because the mean of its divisors is an integer number (30954686).

Almost surely, 2^211328828 is an apocalyptic number.

It is an amenable number.

211328828 is a deficient number, since it is larger than the sum of its proper divisors (160127404).

211328828 is a wasteful number, since it uses less digits than its factorization.

211328828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232972 (or 232970 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 211328828 is about 14537.1533664607. The cubic root of 211328828 is about 595.6432823286.

The spelling of 211328828 in words is "two hundred eleven million, three hundred twenty-eight thousand, eight hundred twenty-eight".