9690228 has 72 divisors (see below), whose sum is σ = 26673920. Its totient is φ = 2954880.

The previous prime is 9690217. The next prime is 9690251. The reversal of 9690228 is 8220969.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9690192 and 9690201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20976 + ... + 21432.

Almost surely, 2^9690228 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 9690228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13336960).

9690228 is an abundant number, since it is smaller than the sum of its proper divisors (16983692).

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

9690228 is a wasteful number, since it uses less digits than its factorization.

9690228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9690228 is about 3112.9131051155. The cubic root of 9690228 is about 213.1954827753.

The spelling of 9690228 in words is "nine million, six hundred ninety thousand, two hundred twenty-eight".