212650844 has 12 divisors (see below), whose sum is σ = 425301744. Its totient is φ = 91136064.

The previous prime is 212650829. The next prime is 212650849. The reversal of 212650844 is 448056212.

212650844 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 212650844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212650849) 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, 3797309 + ... + 3797364.

It is an arithmetic number, because the mean of its divisors is an integer number (35441812).

Almost surely, 2^212650844 is an apocalyptic number.

It is an amenable number.

212650844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212650844 is a wasteful number, since it uses less digits than its factorization.

212650844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594684 (or 7594682 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 212650844 is about 14582.5527257747. The cubic root of 212650844 is about 596.8827623928.

The spelling of 212650844 in words is "two hundred twelve million, six hundred fifty thousand, eight hundred forty-four".