9028404 has 72 divisors (see below), whose sum is σ = 28461888. Its totient is φ = 2344320.

The previous prime is 9028403. The next prime is 9028423. The reversal of 9028404 is 4048209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1144 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (395304).

Almost surely, 2^9028404 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 9028404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230944).

9028404 is an abundant number, since it is smaller than the sum of its proper divisors (19433484).

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

9028404 is a wasteful number, since it uses less digits than its factorization.

9028404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 9028404 is about 3004.7302707564. The cubic root of 9028404 is about 208.2269773224.

The spelling of 9028404 in words is "nine million, twenty-eight thousand, four hundred four".