9669738 has 32 divisors (see below), whose sum is σ = 20990592. Its totient is φ = 2952000.

The previous prime is 9669713. The next prime is 9669739. The reversal of 9669738 is 8379669.

It is a happy number.

It is a super-3 number, since 3×9669738³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9669739) 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, 11368 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (655956).

Almost surely, 2^9669738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9669738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10495296).

9669738 is an abundant number, since it is smaller than the sum of its proper divisors (11320854).

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

9669738 is a wasteful number, since it uses less digits than its factorization.

9669738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 489888, while the sum is 48.

The square root of 9669738 is about 3109.6202340479. The cubic root of 9669738 is about 213.0451093598.

The spelling of 9669738 in words is "nine million, six hundred sixty-nine thousand, seven hundred thirty-eight".