9768390 has 32 divisors (see below), whose sum is σ = 23535360. Its totient is φ = 2594784.

The previous prime is 9768371. The next prime is 9768391. The reversal of 9768390 is 938679.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9768391) 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 15 ways as a sum of consecutive naturals, for example, 10317 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (735480).

Almost surely, 2^9768390 is an apocalyptic number.

9768390 is an abundant number, since it is smaller than the sum of its proper divisors (13766970).

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

9768390 is a wasteful number, since it uses less digits than its factorization.

9768390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9768390 is about 3125.4423686896. The cubic root of 9768390 is about 213.7671645872.

The spelling of 9768390 in words is "nine million, seven hundred sixty-eight thousand, three hundred ninety".