9028920 has 64 divisors (see below), whose sum is σ = 27515520. Its totient is φ = 2369664.

The previous prime is 9028919. The next prime is 9028927. The reversal of 9028920 is 298209.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (429930).

Almost surely, 2^9028920 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 9028920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13757760).

9028920 is an abundant number, since it is smaller than the sum of its proper divisors (18486600).

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

9028920 is a wasteful number, since it uses less digits than its factorization.

9028920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 9028920 is about 3004.8161341420. The cubic root of 9028920 is about 208.2309441761.

It can be divided in two parts, 90289 and 20, that added together give a palindrome (90309).

The spelling of 9028920 in words is "nine million, twenty-eight thousand, nine hundred twenty".