9429828 has 24 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 3041760.

The previous prime is 9429821. The next prime is 9429829. The reversal of 9429828 is 8289249.

9429828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9429828² = 177843312219168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9429828.

It is not an unprimeable number, because it can be changed into a prime (9429821) 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, 12303 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^9429828 is an apocalyptic number.

It is an amenable number.

9429828 is an abundant number, since it is smaller than the sum of its proper divisors (13283772).

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

9429828 is a wasteful number, since it uses less digits than its factorization.

9429828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387 (or 25385 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 9429828 is about 3070.8025009759. The cubic root of 9429828 is about 211.2684229349.

The spelling of 9429828 in words is "nine million, four hundred twenty-nine thousand, eight hundred twenty-eight".