212838336 has 84 divisors (see below), whose sum is σ = 613168192. Its totient is φ = 70585344.

The previous prime is 212838299. The next prime is 212838371. The reversal of 212838336 is 633838212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 212838336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127620 + ... + 129276.

Almost surely, 2^212838336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212838336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306584096).

212838336 is an abundant number, since it is smaller than the sum of its proper divisors (400329856).

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

212838336 is a wasteful number, since it uses less digits than its factorization.

212838336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1885 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 212838336 is about 14588.9799506340. The cubic root of 212838336 is about 597.0581326017.

The spelling of 212838336 in words is "two hundred twelve million, eight hundred thirty-eight thousand, three hundred thirty-six".