9699228 has 72 divisors (see below), whose sum is σ = 30576000. Its totient is φ = 2518560.

The previous prime is 9699211. The next prime is 9699233. The reversal of 9699228 is 8229969.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023 + ... + 4521.

Almost surely, 2^9699228 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 9699228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15288000).

9699228 is an abundant number, since it is smaller than the sum of its proper divisors (20876772).

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

9699228 is a wasteful number, since it uses less digits than its factorization.

9699228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3522 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 9699228 is about 3114.3583608827. The cubic root of 9699228 is about 213.2614655923.

It can be divided in two parts, 96992 and 28, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 9699228 in words is "nine million, six hundred ninety-nine thousand, two hundred twenty-eight".