9090828 has 36 divisors (see below), whose sum is σ = 23328760. Its totient is φ = 2984256.

The previous prime is 9090821. The next prime is 9090847. The reversal of 9090828 is 8280909.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 9090792 and 9090801.

It is not an unprimeable number, because it can be changed into a prime (9090821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 4296.

Almost surely, 2^9090828 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 9090828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11664380).

9090828 is an abundant number, since it is smaller than the sum of its proper divisors (14237932).

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

9090828 is a wasteful number, since it uses less digits than its factorization.

9090828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9090828 is about 3015.0999983417. The cubic root of 9090828 is about 208.7057816868.

The spelling of 9090828 in words is "nine million, ninety thousand, eight hundred twenty-eight".