9643212 has 42 divisors (see below), whose sum is σ = 25309508. Its totient is φ = 3213432.

The previous prime is 9643181. The next prime is 9643213. The reversal of 9643212 is 2123469.

9643212 is a `hidden beast` number, since 9 + 643 + 2 + 12 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (9643213) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1263 + ... + 4569.

Almost surely, 2^9643212 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 9643212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12654754).

9643212 is an abundant number, since it is smaller than the sum of its proper divisors (15666296).

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

9643212 is a wasteful number, since it uses less digits than its factorization.

9643212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3312 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 9643212 is about 3105.3521539433. The cubic root of 9643212 is about 212.8501226930.

The spelling of 9643212 in words is "nine million, six hundred forty-three thousand, two hundred twelve".