8651229 has 16 divisors (see below), whose sum is σ = 12056640. Its totient is φ = 5512320.

The previous prime is 8651207. The next prime is 8651231. The reversal of 8651229 is 9221568.

It is not a de Polignac number, because 8651229 - 2¹⁷ = 8520157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8651229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8651239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5889 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (753540).

Almost surely, 2^8651229 is an apocalyptic number.

It is an amenable number.

8651229 is a deficient number, since it is larger than the sum of its proper divisors (3405411).

8651229 is a wasteful number, since it uses less digits than its factorization.

8651229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its digits is 8640, while the sum is 33.

The square root of 8651229 is about 2941.2971628178. The cubic root of 8651229 is about 205.2859701177.

It can be divided in two parts, 86 and 51229, that added together give a palindrome (51315).

The spelling of 8651229 in words is "eight million, six hundred fifty-one thousand, two hundred twenty-nine".