212689328 has 10 divisors (see below), whose sum is σ = 412085604. Its totient is φ = 106344656.

The previous prime is 212689319. The next prime is 212689333. The reversal of 212689328 is 823986212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646526 + ... + 6646557.

Almost surely, 2^212689328 is an apocalyptic number.

It is an amenable number.

212689328 is a deficient number, since it is larger than the sum of its proper divisors (199396276).

212689328 is a wasteful number, since it uses less digits than its factorization.

212689328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293091 (or 13293085 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 212689328 is about 14583.8721881399. The cubic root of 212689328 is about 596.9187667184.

The spelling of 212689328 in words is "two hundred twelve million, six hundred eighty-nine thousand, three hundred twenty-eight".