9223890 has 64 divisors (see below), whose sum is σ = 24264576. Its totient is φ = 2230272.

The previous prime is 9223889. The next prime is 9223909. The reversal of 9223890 is 983229.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25954 + ... + 26306.

It is an arithmetic number, because the mean of its divisors is an integer number (379134).

Almost surely, 2^9223890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9223890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12132288).

9223890 is an abundant number, since it is smaller than the sum of its proper divisors (15040686).

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

9223890 is a wasteful number, since it uses less digits than its factorization.

9223890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9223890 is about 3037.0857742250. The cubic root of 9223890 is about 209.7191256327.

The spelling of 9223890 in words is "nine million, two hundred twenty-three thousand, eight hundred ninety".