8209212 has 24 divisors (see below), whose sum is σ = 20896512. Its totient is φ = 2487600.

The previous prime is 8209211. The next prime is 8209213. The reversal of 8209212 is 2129028.

8209212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8209211) and next prime (8209213).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30964 + ... + 31227.

It is an arithmetic number, because the mean of its divisors is an integer number (870688).

Almost surely, 2^8209212 is an apocalyptic number.

It is an amenable number.

8209212 is an abundant number, since it is smaller than the sum of its proper divisors (12687300).

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

8209212 is a wasteful number, since it uses less digits than its factorization.

8209212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62209 (or 62207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8209212 is about 2865.1722461311. The cubic root of 8209212 is about 201.7284525601.

The spelling of 8209212 in words is "eight million, two hundred nine thousand, two hundred twelve".