9288820 has 24 divisors (see below), whose sum is σ = 19756800. Its totient is φ = 3667872.

The previous prime is 9288793. The next prime is 9288821. The reversal of 9288820 is 288829.

It is a self number, because there is not a number n which added to its sum of digits gives 9288820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9288821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (823200).

Almost surely, 2^9288820 is an apocalyptic number.

It is an amenable number.

9288820 is an abundant number, since it is smaller than the sum of its proper divisors (10467980).

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

9288820 is a wasteful number, since it uses less digits than its factorization.

9288820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 9288820 is about 3047.7565519575. The cubic root of 9288820 is about 210.2100694584.

The spelling of 9288820 in words is "nine million, two hundred eighty-eight thousand, eight hundred twenty".