9651228 has 24 divisors (see below), whose sum is σ = 23129232. Its totient is φ = 3129984.

The previous prime is 9651181. The next prime is 9651253. The reversal of 9651228 is 8221569.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10425 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (963718).

Almost surely, 2^9651228 is an apocalyptic number.

It is an amenable number.

9651228 is an abundant number, since it is smaller than the sum of its proper divisors (13478004).

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

9651228 is a wasteful number, since it uses less digits than its factorization.

9651228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21781 (or 21779 counting only the distinct ones).

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

The square root of 9651228 is about 3106.6425607076. The cubic root of 9651228 is about 212.9090841689.

The spelling of 9651228 in words is "nine million, six hundred fifty-one thousand, two hundred twenty-eight".