8729226 has 24 divisors (see below), whose sum is σ = 20633184. Its totient is φ = 2645160.

The previous prime is 8729221. The next prime is 8729239. The reversal of 8729226 is 6229278.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8729221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21846 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (859716).

Almost surely, 2^8729226 is an apocalyptic number.

8729226 is an abundant number, since it is smaller than the sum of its proper divisors (11903958).

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

8729226 is a wasteful number, since it uses less digits than its factorization.

8729226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44106 (or 44103 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8729226 is about 2954.5263579802. The cubic root of 8729226 is about 205.9010584653.

The spelling of 8729226 in words is "eight million, seven hundred twenty-nine thousand, two hundred twenty-six".