9579966 has 32 divisors (see below), whose sum is σ = 21472128. Its totient is φ = 2823840.

The previous prime is 9579953. The next prime is 9579967. The reversal of 9579966 is 6699759.

It is a super-2 number, since 2×9579966² = 183551497122312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9579967) 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 15 ways as a sum of consecutive naturals, for example, 481 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (671004).

Almost surely, 2^9579966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9579966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10736064).

9579966 is an abundant number, since it is smaller than the sum of its proper divisors (11892162).

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

9579966 is a wasteful number, since it uses less digits than its factorization.

9579966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976.

The product of its digits is 918540, while the sum is 51.

The square root of 9579966 is about 3095.1520156529. The cubic root of 9579966 is about 212.3837685008.

It can be divided in two parts, 9 and 579966, that added together give a palindrome (579975).

The spelling of 9579966 in words is "nine million, five hundred seventy-nine thousand, nine hundred sixty-six".