9678828 has 24 divisors (see below), whose sum is σ = 23773120. Its totient is φ = 3056400.

The previous prime is 9678821. The next prime is 9678833. The reversal of 9678828 is 8288769.

It is a happy number.

It is a super-2 number, since 2×9678828² = 187359422907168, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9678821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20998 + ... + 21453.

Almost surely, 2^9678828 is an apocalyptic number.

It is an amenable number.

9678828 is an abundant number, since it is smaller than the sum of its proper divisors (14094292).

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

9678828 is a wasteful number, since it uses less digits than its factorization.

9678828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42477 (or 42475 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 9678828 is about 3111.0814839859. The cubic root of 9678828 is about 213.1118458642. Note that the first 3 decimals are identical.

The spelling of 9678828 in words is "nine million, six hundred seventy-eight thousand, eight hundred twenty-eight".