8644212 has 24 divisors (see below), whose sum is σ = 22411200. Its totient is φ = 2881368.

The previous prime is 8644187. The next prime is 8644213. The reversal of 8644212 is 2124468.

8644212 is a `hidden beast` number, since 8 + 644 + 2 + 12 = 666.

8644212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8644212² = 149444802201888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8644213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39912 + ... + 40127.

It is an arithmetic number, because the mean of its divisors is an integer number (933800).

Almost surely, 2^8644212 is an apocalyptic number.

It is an amenable number.

8644212 is an abundant number, since it is smaller than the sum of its proper divisors (13766988).

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

8644212 is a wasteful number, since it uses less digits than its factorization.

8644212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80052 (or 80044 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 8644212 is about 2940.1040797904. The cubic root of 8644212 is about 205.2304527151.

The spelling of 8644212 in words is "eight million, six hundred forty-four thousand, two hundred twelve".