212714684 has 72 divisors (see below), whose sum is σ = 481557888. Its totient is φ = 81406080.

The previous prime is 212714669. The next prime is 212714743. The reversal of 212714684 is 486417212.

212714684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77642 + ... + 80334.

It is an arithmetic number, because the mean of its divisors is an integer number (6688304).

Almost surely, 2^212714684 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 212714684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240778944).

212714684 is an abundant number, since it is smaller than the sum of its proper divisors (268843204).

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

212714684 is a wasteful number, since it uses less digits than its factorization.

212714684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2746 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 212714684 is about 14584.7414786824. The cubic root of 212714684 is about 596.9424865589.

The spelling of 212714684 in words is "two hundred twelve million, seven hundred fourteen thousand, six hundred eighty-four".