8212329 has 6 divisors (see below), whose sum is σ = 11862266. Its totient is φ = 5474880.

The previous prime is 8212291. The next prime is 8212333. The reversal of 8212329 is 9232128.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5184729 + 3027600 = 2277^2 + 1740^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8212329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8214329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456232 + ... + 456249.

Almost surely, 2^8212329 is an apocalyptic number.

It is an amenable number.

8212329 is a deficient number, since it is larger than the sum of its proper divisors (3649937).

8212329 is a wasteful number, since it uses less digits than its factorization.

8212329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912487 (or 912484 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 8212329 is about 2865.7161408625. The cubic root of 8212329 is about 201.7539811176.

The spelling of 8212329 in words is "eight million, two hundred twelve thousand, three hundred twenty-nine".