212286804 has 24 divisors (see below), whose sum is σ = 496161120. Its totient is φ = 70644384.

The previous prime is 212286793. The next prime is 212286821. The reversal of 212286804 is 408682212.

It is a happy number.

212286804 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 7 ways as a sum of consecutive naturals, for example, 7074 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (20673380).

Almost surely, 2^212286804 is an apocalyptic number.

It is an amenable number.

212286804 is an abundant number, since it is smaller than the sum of its proper divisors (283874316).

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

212286804 is a wasteful number, since it uses less digits than its factorization.

212286804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29479 (or 29477 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 212286804 is about 14570.0653395927. The cubic root of 212286804 is about 596.5419638200.

The spelling of 212286804 in words is "two hundred twelve million, two hundred eighty-six thousand, eight hundred four".