9168390 has 192 divisors, whose sum is σ = 31449600. Its totient is φ = 1905120.

The previous prime is 9168371. The next prime is 9168391. The reversal of 9168390 is 938619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9168391) 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 95 ways as a sum of consecutive naturals, for example, 833485 + ... + 833495.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

Almost surely, 2^9168390 is an apocalyptic number.

9168390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9168390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

9168390 is an abundant number, since it is smaller than the sum of its proper divisors (22281210).

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

9168390 is a wasteful number, since it uses less digits than its factorization.

9168390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9168390 is about 3027.9349398559. The cubic root of 9168390 is about 209.2976536166.

The spelling of 9168390 in words is "nine million, one hundred sixty-eight thousand, three hundred ninety".