212489328 has 20 divisors (see below), whose sum is σ = 548930888. Its totient is φ = 70829760.

The previous prime is 212489323. The next prime is 212489339. The reversal of 212489328 is 823984212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212489323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213383 + ... + 2213478.

Almost surely, 2^212489328 is an apocalyptic number.

It is an amenable number.

212489328 is an abundant number, since it is smaller than the sum of its proper divisors (336441560).

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

212489328 is a wasteful number, since it uses less digits than its factorization.

212489328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426872 (or 4426866 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 212489328 is about 14577.0136859372. The cubic root of 212489328 is about 596.7316061081.

The spelling of 212489328 in words is "two hundred twelve million, four hundred eighty-nine thousand, three hundred twenty-eight".